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1010111122220 = 2251011607311173
BaseRepresentation
bin11101011001011110101…
…00001000101100101100
310120120021101021122122012
432230233110020230230
5113022201421402340
62052012202540352
7132656331605324
oct16545724105454
93516241248565
101010111122220
1135a427438752
121439242076b8
1374339cc20b5
1436c65254284
151b41e274565
hexeb2f508b2c

1010111122220 has 48 divisors (see below), whose sum is σ = 2143575620928. Its totient is φ = 399793785600.

The previous prime is 1010111122211. The next prime is 1010111122259. The reversal of 1010111122220 is 222211110101.

1010111122220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×10101111222203 (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010111122195 and 1010111122204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3090554 + ... + 3401726.

It is an arithmetic number, because the mean of its divisors is an integer number (44657825436).

Almost surely, 21010111122220 is an apocalyptic number.

1010111122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010111122220 is an abundant number, since it is smaller than the sum of its proper divisors (1133464498708).

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

1010111122220 is a wasteful number, since it uses less digits than its factorization.

1010111122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312890 (or 312888 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1010111122220 its reverse (222211110101), we get a palindrome (1232322232321).

The spelling of 1010111122220 in words is "one trillion, ten billion, one hundred eleven million, one hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 1607 2020 3214 6428 8035 16070 32140 162307 311173 324614 622346 649228 811535 1244692 1555865 1623070 3111730 3246140 6223460 31428473 62856946 125713892 157142365 314284730 500055011 628569460 1000110022 2000220044 2500275055 5000550110 10001100220 50505556111 101011112222 202022224444 252527780555 505055561110 1010111122220