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112101121220111 = 179767981274239
BaseRepresentation
bin11001011111010010010011…
…100000100101111000001111
3112200220202120212210212011122
4121133102103200211320033
5104143131044013020421
61034230313311311155
732420016200306462
oct3137222340457017
9480822525725148
10112101121220111
113279a900505371
12106a5b4681b4bb
134a721237157ca
141d97a1a7152d9
15ce601a0a32ab
hex65f493825e0f

112101121220111 has 8 divisors (see below), whose sum is σ = 119918967759360. Its totient is φ = 104419237229568.

The previous prime is 112101121220069. The next prime is 112101121220171. The reversal of 112101121220111 is 111022121101211.

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 112101121220111 - 26 = 112101121220047 is a prime.

It is a super-2 number, since 2×1121011212201112 (a number of 29 digits) contains 22 as substring.

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

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 112101121220111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112101121220171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33990635471 + ... + 33990638768.

It is an arithmetic number, because the mean of its divisors is an integer number (14989870969920).

Almost surely, 2112101121220111 is an apocalyptic number.

112101121220111 is a deficient number, since it is larger than the sum of its proper divisors (7817846539249).

112101121220111 is an equidigital number, since it uses as much as digits as its factorization.

112101121220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67981274353.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 112101121220111 its reverse (111022121101211), we get a palindrome (223123242321322).

The spelling of 112101121220111 in words is "one hundred twelve trillion, one hundred one billion, one hundred twenty-one million, two hundred twenty thousand, one hundred eleven".

Divisors: 1 17 97 1649 67981274239 1155681662063 6594183601183 112101121220111