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102111110211011 = 1159318251857707
BaseRepresentation
bin10111001101111010011000…
…011100111010010111000011
3111101112201121211121220211012
4113031322120130322113003
5101340442023203223021
61001101110233111135
730336166333642466
oct2715723034722703
9441481554556735
10102111110211011
112a599095757030
12b5519982584ab
1344c9061bc17b5
141b302c00c12dd
15bc122709635b
hex5cde9873a5c3

102111110211011 has 16 divisors (see below), whose sum is σ = 111588030373248. Its totient is φ = 92666556240000.

The previous prime is 102111110211001. The next prime is 102111110211017. The reversal of 102111110211011 is 110112011111201.

It is a cyclic number.

It is not a de Polignac number, because 102111110211011 - 218 = 102111109948867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102111110211017) 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, 118622420 + ... + 119480126.

It is an arithmetic number, because the mean of its divisors is an integer number (6974251898328).

Almost surely, 2102111110211011 is an apocalyptic number.

102111110211011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102111110211011 is a deficient number, since it is larger than the sum of its proper divisors (9476920162237).

102111110211011 is a wasteful number, since it uses less digits than its factorization.

102111110211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876562.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 102111110211011 its reverse (110112011111201), we get a palindrome (212223121322212).

The spelling of 102111110211011 in words is "one hundred two trillion, one hundred eleven billion, one hundred ten million, two hundred eleven thousand, eleven".

Divisors: 1 11 593 6523 18251 200761 857707 9434777 10822843 119051273 508620251 5594822761 15654010457 172194115027 9282828201001 102111110211011