111210112100101 has 16 divisors (see below), whose sum is σ = 133420864020480. Its totient is φ = 90684493493040.

The previous prime is 111210112100093. The next prime is 111210112100147. The reversal of 111210112100101 is 101001211012111.

It is a cyclic number.

It is not a de Polignac number, because 111210112100101 - 2³ = 111210112100093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111210112100401) 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, 4343114281 + ... + 4343139886.

It is an arithmetic number, because the mean of its divisors is an integer number (8338804001280).

Almost surely, 2^{111210112100101} is an apocalyptic number.

It is an amenable number.

111210112100101 is a deficient number, since it is larger than the sum of its proper divisors (22210751920379).

111210112100101 is an equidigital number, since it uses as much as digits as its factorization.

111210112100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8686254264.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111210112100101 its reverse (101001211012111), we get a palindrome (212211323112212).

The spelling of 111210112100101 in words is "one hundred eleven trillion, two hundred ten billion, one hundred twelve million, one hundred thousand, one hundred one".