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102102200111100 = 223527181977274943
BaseRepresentation
bin10111001101110010000101…
…010111100100111111111100
3111101111212121212200221112210
4113031302011113210333330
5101340320301212023400
61001053034142500420
730335432462230020
oct2715620527447774
9441455555627483
10102102200111100
112a5953331890a2
12b550110294710
1344c8271c59b27
141b2dab69cc380
15bc0da4c26950
hex5cdc855e4ffc

102102200111100 has 288 divisors, whose sum is σ = 339831945363456. Its totient is φ = 23184869068800.

The previous prime is 102102200111083. The next prime is 102102200111111. The reversal of 102102200111100 is 1111002201201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 371220229 + ... + 371495171.

It is an arithmetic number, because the mean of its divisors is an integer number (1179972032512).

Almost surely, 2102102200111100 is an apocalyptic number.

102102200111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102102200111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169915972681728).

102102200111100 is an abundant number, since it is smaller than the sum of its proper divisors (237729745252356).

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

102102200111100 is a wasteful number, since it uses less digits than its factorization.

102102200111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276125 (or 276118 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102102200111100 its reverse (1111002201201), we get a palindrome (103213202312301).

The spelling of 102102200111100 in words is "one hundred two trillion, one hundred two billion, two hundred million, one hundred eleven thousand, one hundred".