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112020102121220 = 2255601005106061
BaseRepresentation
bin11001011110000110110110…
…011001010000011100000100
3112200122000110112002012022022
4121132012312121100130010
5104140314132120334340
61034125154031022312
732411120362320206
oct3136066631203404
9480560415065268
10112020102121220
11327695053201a7
12106922b566a998
134a675b14175c7
141d93b3249a776
15ce3d773ce3b5
hex65e1b6650704

112020102121220 has 12 divisors (see below), whose sum is σ = 235242214454604. Its totient is φ = 44808040848480.

The previous prime is 112020102121171. The next prime is 112020102121231. The reversal of 112020102121220 is 22121201020211.

It can be written as a sum of positive squares in 2 ways, for example, as 25050265240576 + 86969836880644 = 5005024^2 + 9325762^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2800502553011 + ... + 2800502553050.

It is an arithmetic number, because the mean of its divisors is an integer number (19603517871217).

Almost surely, 2112020102121220 is an apocalyptic number.

112020102121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112020102121220 is an abundant number, since it is smaller than the sum of its proper divisors (123222112333384).

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

112020102121220 is a wasteful number, since it uses less digits than its factorization.

112020102121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601005106070 (or 5601005106068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112020102121220 its reverse (22121201020211), we get a palindrome (134141303141431).

The spelling of 112020102121220 in words is "one hundred twelve trillion, twenty billion, one hundred two million, one hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5601005106061 11202010212122 22404020424244 28005025530305 56010051060610 112020102121220