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112012220212021 = 1956352963197711
BaseRepresentation
bin11001011101111111100000…
…100110001010001100110101
3112200121021010012212201112101
4121131333200212022030311
5104140202011333241041
61034121411550222101
732410421144230123
oct3135774046121465
9480537105781471
10112012220212021
1132766130180158
1210690875ab4931
134a669264b03cc
141d935c5772913
15ce3a6545db31
hex65dfe098a335

112012220212021 has 16 divisors (see below), whose sum is σ = 118119855191040. Its totient is φ = 105925819774320.

The previous prime is 112012220212007. The next prime is 112012220212027. The reversal of 112012220212021 is 120212022210211.

It is a cyclic number.

It is not a de Polignac number, because 112012220212021 - 235 = 111977860473653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112012220212021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012220212027) 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, 566446356 + ... + 566644066.

It is an arithmetic number, because the mean of its divisors is an integer number (7382490949440).

Almost surely, 2112012220212021 is an apocalyptic number.

It is an amenable number.

112012220212021 is a deficient number, since it is larger than the sum of its proper divisors (6107634979019).

112012220212021 is a wasteful number, since it uses less digits than its factorization.

112012220212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251256.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112012220212021 its reverse (120212022210211), we get a palindrome (232224242422232).

The spelling of 112012220212021 in words is "one hundred twelve trillion, twelve billion, two hundred twenty million, two hundred twelve thousand, twenty-one".

Divisors: 1 19 563 10697 52963 197711 1006297 3756509 29818169 111311293 566545211 2114914567 10471367693 198955986167 5895380011159 112012220212021