102111210110101 has 16 divisors (see below), whose sum is σ = 104522579884800. Its totient is φ = 99728861626368.

The previous prime is 102111210110069. The next prime is 102111210110159. The reversal of 102111210110101 is 101011012111201.

It is a cyclic number.

It is not a de Polignac number, because 102111210110101 - 2⁵ = 102111210110069 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 (100111210110101) 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, 11798421 + ... + 18531733.

It is an arithmetic number, because the mean of its divisors is an integer number (6532661242800).

Almost surely, 2^{102111210110101} is an apocalyptic number.

It is an amenable number.

102111210110101 is a deficient number, since it is larger than the sum of its proper divisors (2411369774699).

102111210110101 is an equidigital number, since it uses as much as digits as its factorization.

102111210110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6735468.

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

Adding to 102111210110101 its reverse (101011012111201), we get a palindrome (203122222221302).

The spelling of 102111210110101 in words is "one hundred two trillion, one hundred eleven billion, two hundred ten million, one hundred ten thousand, one hundred one".