102211000111 has 4 divisors (see below), whose sum is σ = 111502909224. Its totient is φ = 92919091000.

The previous prime is 102211000081. The next prime is 102211000123. The reversal of 102211000111 is 111000112201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102211000111 - 2⁵ = 102211000079 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 (102211000711) 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, 4645954540 + ... + 4645954561.

It is an arithmetic number, because the mean of its divisors is an integer number (27875727306).

Almost surely, 2^102211000111 is an apocalyptic number.

102211000111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102211000111 is a deficient number, since it is larger than the sum of its proper divisors (9291909113).

102211000111 is an equidigital number, since it uses as much as digits as its factorization.

102211000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9291909112.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 102211000111 its reverse (111000112201), we get a palindrome (213211112312).

The spelling of 102211000111 in words is "one hundred two billion, two hundred eleven million, one hundred eleven", and thus it is an aban number.