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112011202021220 = 225130112269350869
BaseRepresentation
bin11001011101111110100011…
…111010000100011101100100
3112200121011111020222021022222
4121131332203322010131210
5104140142420204134340
61034121122535011512
732410354001603615
oct3135764372043544
9480534436867288
10112011202021220
1132765758462357
1210690630b09b98
134a667c3574448
141d9352a44bc0c
15ce3a05d878b5
hex65dfa3e84764

112011202021220 has 48 divisors (see below), whose sum is σ = 235424184231600. Its totient is φ = 44766265689600.

The previous prime is 112011202021181. The next prime is 112011202021309. The reversal of 112011202021220 is 22120202110211.

It can be written as a sum of positive squares in 8 ways, for example, as 4958780756224 + 107052421264996 = 2226832^2 + 10346614^2 .

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, 319063946 + ... + 319414814.

It is an arithmetic number, because the mean of its divisors is an integer number (4904670504825).

Almost surely, 2112011202021220 is an apocalyptic number.

112011202021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112011202021220 is an abundant number, since it is smaller than the sum of its proper divisors (123412982210380).

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

112011202021220 is a wasteful number, since it uses less digits than its factorization.

112011202021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364448 (or 364446 counting only the distinct ones).

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

Adding to 112011202021220 its reverse (22120202110211), we get a palindrome (134131404131431).

The spelling of 112011202021220 in words is "one hundred twelve trillion, eleven billion, two hundred two million, twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1301 2602 5204 6505 12269 13010 24538 26020 49076 61345 122690 245380 350869 701738 1403476 1754345 3508690 7017380 15961969 31923938 63847876 79809845 159619690 319239380 456480569 912961138 1825922276 2282402845 4304811761 4564805690 8609623522 9129611380 17219247044 21524058805 43048117610 86096235220 5600560101061 11201120202122 22402240404244 28002800505305 56005601010610 112011202021220