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1112111010220 = 22577943650073
BaseRepresentation
bin10000001011101110111…
…110110101000110101100
310221022112221001211110211
4100023232332311012230
5121210100404311340
62210521410312204
7143230101421150
oct20135676650654
93838487054424
101112111010220
11399709744251
1215b64b888664
1380b43c39c02
143bb7db41060
151ddddd4d5ea
hex102eefb51ac

1112111010220 has 24 divisors (see below), whose sum is σ = 2669066424864. Its totient is φ = 381295203456.

The previous prime is 1112111010209. The next prime is 1112111010233. The reversal of 1112111010220 is 220101112111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112111010220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3971824897 + ... + 3971825176.

It is an arithmetic number, because the mean of its divisors is an integer number (111211101036).

Almost surely, 21112111010220 is an apocalyptic number.

1112111010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112111010220 is an abundant number, since it is smaller than the sum of its proper divisors (1556955414644).

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

1112111010220 is a wasteful number, since it uses less digits than its factorization.

1112111010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7943650089 (or 7943650087 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1112111010220 its reverse (220101112111), we get a palindrome (1332212122331).

The spelling of 1112111010220 in words is "one trillion, one hundred twelve billion, one hundred eleven million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 7943650073 15887300146 31774600292 39718250365 55605550511 79436500730 111211101022 158873001460 222422202044 278027752555 556055505110 1112111010220