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112222212102 = 233711132159701
BaseRepresentation
bin110100010000011110…
…1110001000000000110
3101201122221220001022000
41220200331301000012
53314312341241402
6123315411250130
711051654030640
oct1504075610006
9351587801260
10112222212102
1143658570a40
12198baba9946
13a775a07800
1456083a3890
152dbc250c1c
hex1a20f71006

112222212102 has 192 divisors, whose sum is σ = 336677368320. Its totient is φ = 26906256000.

The previous prime is 112222212101. The next prime is 112222212133. The reversal of 112222212102 is 201212222211.

It is a happy number.

112222212102 is a `hidden beast` number, since 11 + 222 + 221 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222212101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 622852 + ... + 782552.

It is an arithmetic number, because the mean of its divisors is an integer number (1753527960).

Almost surely, 2112222212102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112222212102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168338684160).

112222212102 is an abundant number, since it is smaller than the sum of its proper divisors (224455156218).

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

112222212102 is a wasteful number, since it uses less digits than its factorization.

112222212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159756 (or 159737 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112222212102 its reverse (201212222211), we get a palindrome (313434434313).

The spelling of 112222212102 in words is "one hundred twelve billion, two hundred twenty-two million, two hundred twelve thousand, one hundred two".