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102201111102 = 2319786464561
BaseRepresentation
bin101111100101110101…
…0010011001000111110
3100202210120102101001010
41133023222103020332
53133301441023402
6114541152300050
710245432053016
oct1371352231076
9322716371033
10102201111102
113a385954492
1217982b41626
13983983ca4c
144d3750ac46
1529d25c5a6c
hex17cba9323e

102201111102 has 16 divisors (see below), whose sum is σ = 205439799312. Its totient is φ = 33894107520.

The previous prime is 102201111059. The next prime is 102201111113. The reversal of 102201111102 is 201111102201.

It is a super-2 number, since 2×1022011111022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43231099 + ... + 43233462.

It is an arithmetic number, because the mean of its divisors is an integer number (12839987457).

Almost surely, 2102201111102 is an apocalyptic number.

102201111102 is an abundant number, since it is smaller than the sum of its proper divisors (103238688210).

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

102201111102 is a wasteful number, since it uses less digits than its factorization.

102201111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86464763.

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

Adding to 102201111102 its reverse (201111102201), we get a palindrome (303312213303).

The spelling of 102201111102 in words is "one hundred two billion, two hundred one million, one hundred eleven thousand, one hundred two".

Divisors: 1 2 3 6 197 394 591 1182 86464561 172929122 259393683 518787366 17033518517 34067037034 51100555551 102201111102