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201031211102111 = 1329533239286743
BaseRepresentation
bin101101101101011000111001…
…111011010010111110011111
3222100210101200202020202012022
4231231120321323102332133
5202322143410020231421
61551320244034130355
760226011550130405
oct5555307173227637
9870711622222168
10201031211102111
1159066948881205
121a669241a209bb
138823214800380
14378dd69295475
15183943a90e7ab
hexb6d639ed2f9f

201031211102111 has 8 divisors (see below), whose sum is σ = 223960500432480. Its totient is φ = 179168400345312.

The previous prime is 201031211102087. The next prime is 201031211102119. The reversal of 201031211102111 is 111201112130102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201031211102111 - 210 = 201031211101087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201031211102111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201031211102119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266619642995 + ... + 266619643748.

It is an arithmetic number, because the mean of its divisors is an integer number (27995062554060).

Almost surely, 2201031211102111 is an apocalyptic number.

201031211102111 is a deficient number, since it is larger than the sum of its proper divisors (22929289330369).

201031211102111 is a wasteful number, since it uses less digits than its factorization.

201031211102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533239286785.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 201031211102111 its reverse (111201112130102), we get a palindrome (312232323232213).

The spelling of 201031211102111 in words is "two hundred one trillion, thirty-one billion, two hundred eleven million, one hundred two thousand, one hundred eleven".

Divisors: 1 13 29 377 533239286743 6932110727659 15463939315547 201031211102111