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112222010021 = 11232791158927
BaseRepresentation
bin110100010000011110…
…0111111101010100101
3101201122221111210002112
41220200330333222211
53314312313310041
6123315403050405
711051652226532
oct1504074775245
9351587453075
10112222010021
1143658443130
12198bab10a05
13a775966834
14560834dd89
152dbc210deb
hex1a20f3faa5

112222010021 has 16 divisors (see below), whose sum is σ = 127793369088. Its totient is φ = 97548778800.

The previous prime is 112222010011. The next prime is 112222010023. The reversal of 112222010021 is 120010222211.

It is not a de Polignac number, because 112222010021 - 26 = 112222009957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112222009978 and 112222010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222010023) 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, 626660 + ... + 785586.

It is an arithmetic number, because the mean of its divisors is an integer number (7987085568).

Almost surely, 2112222010021 is an apocalyptic number.

112222010021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112222010021 is a deficient number, since it is larger than the sum of its proper divisors (15571359067).

112222010021 is a wasteful number, since it uses less digits than its factorization.

112222010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161752.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112222010021 its reverse (120010222211), we get a palindrome (232232232232).

The spelling of 112222010021 in words is "one hundred twelve billion, two hundred twenty-two million, ten thousand, twenty-one".

Divisors: 1 11 23 253 2791 30701 64193 158927 706123 1748197 3655321 40208531 443565257 4879217827 10202000911 112222010021