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112012012210021 = 71112798161139367
BaseRepresentation
bin11001011101111111010100…
…001100101100011101100101
3112200121020120201111010102121
4121131333110030230131211
5104140201100111210041
61034121335200105541
732410413040234240
oct3135772414543545
9480536521433377
10112012012210021
1132766033822180
12106908183052b1
134a668c2383ac1
141d935a5caa257
15ce3a520737d1
hex65dfd432c765

112012012210021 has 32 divisors (see below), whose sum is σ = 139778656174080. Its totient is φ = 87202532620800.

The previous prime is 112012012209997. The next prime is 112012012210069. The reversal of 112012012210021 is 120012210210211.

It is a cyclic number.

It is not a de Polignac number, because 112012012210021 - 211 = 112012012207973 is a prime.

It is a super-2 number, since 2×1120120122100212 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112012012209977 and 112012012210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012012310021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 803650080 + ... + 803789446.

It is an arithmetic number, because the mean of its divisors is an integer number (4368083005440).

Almost surely, 2112012012210021 is an apocalyptic number.

112012012210021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112012012210021 is a deficient number, since it is larger than the sum of its proper divisors (27766643964059).

112012012210021 is a wasteful number, since it uses less digits than its factorization.

112012012210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148825.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112012012210021 its reverse (120012210210211), we get a palindrome (232024222420232).

The spelling of 112012012210021 in words is "one hundred twelve trillion, twelve billion, twelve million, two hundred ten thousand, twenty-one".

Divisors: 1 7 11 77 1279 8161 8953 14069 57127 89771 98483 139367 628397 975569 1533037 10437919 10731259 73065433 114817109 178250393 803719763 1137374087 1247752751 1960754323 7961618609 12511114957 13725280261 87577804699 1454701457273 10182910200911 16001716030003 112012012210021