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102111102222110 = 25172851721062999
BaseRepresentation
bin10111001101111010010111…
…111110011011111100011110
3111101112201121021121001002222
4113031322113332123330132
5101340442014132101420
61001101105345545342
730336166206020312
oct2715722776337436
9441481537531088
10102111102222110
112a59909119a933
12b551995645252
1344c9060355437
141b302bd001b42
15bc1226519225
hex5cde97f9bf1e

102111102222110 has 32 divisors (see below), whose sum is σ = 194618581416000. Its totient is φ = 38440476861952.

The previous prime is 102111102222053. The next prime is 102111102222119. The reversal of 102111102222110 is 11222201111201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111102222119) 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, 5683610 + ... + 15379389.

It is an arithmetic number, because the mean of its divisors is an integer number (6081830669250).

Almost surely, 2102111102222110 is an apocalyptic number.

102111102222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102111102222110 is a deficient number, since it is larger than the sum of its proper divisors (92507479193890).

102111102222110 is a wasteful number, since it uses less digits than its factorization.

102111102222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21091540.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102111102222110 its reverse (11222201111201), we get a palindrome (113333303333311).

The spelling of 102111102222110 in words is "one hundred two trillion, one hundred eleven billion, one hundred two million, two hundred twenty-two thousand, one hundred ten".

Divisors: 1 2 5 10 17 34 85 170 28517 57034 142585 285170 484789 969578 2423945 4847890 21062999 42125998 105314995 210629990 358070983 716141966 1790354915 3580709830 600653542483 1201307084966 3003267712415 6006535424830 10211110222211 20422220444422 51055551111055 102111102222110