111210361216101 has 80 divisors (see below), whose sum is σ = 201283283942400. Its totient is φ = 59836686716160.

The previous prime is 111210361216067. The next prime is 111210361216153. The reversal of 111210361216101 is 101612163012111.

It is a happy number.

111210361216101 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 1 + 0 + 36 + 12 + 1 + 610 + 1 = 666.

It is not a de Polignac number, because 111210361216101 - 2²⁵ = 111210327661669 is a prime.

It is a super-2 number, since 2×111210361216101² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111210361216601) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 84850176 + ... + 86150873.

It is an arithmetic number, because the mean of its divisors is an integer number (2516041049280).

Almost surely, 2^{111210361216101} is an apocalyptic number.

It is an amenable number.

111210361216101 is a deficient number, since it is larger than the sum of its proper divisors (90072922726299).

111210361216101 is a wasteful number, since it uses less digits than its factorization.

111210361216101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171001136 (or 171001127 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The spelling of 111210361216101 in words is "one hundred eleven trillion, two hundred ten billion, three hundred sixty-one million, two hundred sixteen thousand, one hundred one".