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10102212120220 = 22511120113823091
BaseRepresentation
bin1001001100000001101011…
…0000111100111010011100
31022202202120112100221112121
42103000122300330322130
52311003312300321340
633252520413312324
72061601143132013
oct223003260747234
938682515327477
1010102212120220
113245362417850
121171a624956a4
1358383305122c
1426cd41ca3a7a
15127bad49094a
hex9301ac3ce9c

10102212120220 has 48 divisors (see below), whose sum is σ = 23145182476416. Its totient is φ = 3673224872000.

The previous prime is 10102212120131. The next prime is 10102212120227. The reversal of 10102212120220 is 2202121220101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10102212120194 and 10102212120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102212120227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730875 + ... + 4553965.

It is an arithmetic number, because the mean of its divisors is an integer number (482191301592).

Almost surely, 210102212120220 is an apocalyptic number.

10102212120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102212120220 is an abundant number, since it is smaller than the sum of its proper divisors (13042970356196).

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

10102212120220 is a wasteful number, since it uses less digits than its factorization.

10102212120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835122 (or 3835120 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10102212120220 its reverse (2202121220101), we get a palindrome (12304333340321).

The spelling of 10102212120220 in words is "ten trillion, one hundred two billion, two hundred twelve million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 12011 24022 48044 60055 120110 132121 240220 264242 528484 660605 1321210 2642420 3823091 7646182 15292364 19115455 38230910 42054001 76461820 84108002 168216004 210270005 420540010 841080020 45919146001 91838292002 183676584004 229595730005 459191460010 505110606011 918382920020 1010221212022 2020442424044 2525553030055 5051106060110 10102212120220