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10102221110020 = 2251387744304101
BaseRepresentation
bin1001001100000001101101…
…0011001111101100000100
31022202202121011021200020011
42103000123103033230010
52311003322101010040
633252521334120004
72061601312423234
oct223003323175404
938682534250204
1010102221110020
1132453674a7a36
121171a654b0004
13583834b7b040
1426cd43163cc4
15127bae1693ea
hex9301b4cfb04

10102221110020 has 48 divisors (see below), whose sum is σ = 22872612914928. Its totient is φ = 3725797593600.

The previous prime is 10102221110017. The next prime is 10102221110029. The reversal of 10102221110020 is 2001112220101.

It can be written as a sum of positive squares in 8 ways, for example, as 973979505216 + 9128241604804 = 986904^2 + 3021298^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (10102221110029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21924031 + ... + 22380070.

It is an arithmetic number, because the mean of its divisors is an integer number (476512769061).

Almost surely, 210102221110020 is an apocalyptic number.

10102221110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102221110020 is an abundant number, since it is smaller than the sum of its proper divisors (12770391804908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10102221110020 is a wasteful number, since it uses less digits than its factorization.

10102221110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44305000 (or 44304998 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10102221110020 its reverse (2001112220101), we get a palindrome (12103333330121).

The spelling of 10102221110020 in words is "ten trillion, one hundred two billion, two hundred twenty-one million, one hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 877 1754 3508 4385 8770 11401 17540 22802 45604 57005 114010 228020 44304101 88608202 177216404 221520505 443041010 575953313 886082020 1151906626 2303813252 2879766565 5759533130 11519066260 38854696577 77709393154 155418786308 194273482885 388546965770 505111055501 777093931540 1010222111002 2020444222004 2525555277505 5051110555010 10102221110020