102111110201 has 4 divisors (see below), whose sum is σ = 106550723712. Its totient is φ = 97671496692.

The previous prime is 102111110177. The next prime is 102111110251. The reversal of 102111110201 is 102011111201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102111110201 - 2¹⁸ = 102110848057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102111110251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2219806721 + ... + 2219806766.

It is an arithmetic number, because the mean of its divisors is an integer number (26637680928).

Almost surely, 2^102111110201 is an apocalyptic number.

It is an amenable number.

102111110201 is a deficient number, since it is larger than the sum of its proper divisors (4439613511).

102111110201 is an equidigital number, since it uses as much as digits as its factorization.

102111110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439613510.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102111110201 its reverse (102011111201), we get a palindrome (204122221402).

The spelling of 102111110201 in words is "one hundred two billion, one hundred eleven million, one hundred ten thousand, two hundred one".