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111112020222 = 2372645524291
BaseRepresentation
bin110011101111011001…
…0101110000011111110
3101121210120212110100020
41213132302232003332
53310024134121342
6123013312113010
711012313405630
oct1473662560376
9347716773306
10111112020222
1143138925395
121964b235766
13a6299c8b38
145540b70a50
152d54a550ec
hex19decae0fe

111112020222 has 16 divisors (see below), whose sum is σ = 253970332032. Its totient is φ = 31746291480.

The previous prime is 111112020211. The next prime is 111112020233. The reversal of 111112020222 is 222020211111.

It is an interprime number because it is at equal distance from previous prime (111112020211) and next prime (111112020233).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322762104 + ... + 1322762187.

It is an arithmetic number, because the mean of its divisors is an integer number (15873145752).

Almost surely, 2111112020222 is an apocalyptic number.

111112020222 is an abundant number, since it is smaller than the sum of its proper divisors (142858311810).

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

111112020222 is a wasteful number, since it uses less digits than its factorization.

111112020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645524303.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111112020222 its reverse (222020211111), we get a palindrome (333132231333).

The spelling of 111112020222 in words is "one hundred eleven billion, one hundred twelve million, twenty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 2645524291 5291048582 7936572873 15873145746 18518670037 37037340074 55556010111 111112020222