102112011103111 has 4 divisors (see below), whose sum is σ = 106551663759792. Its totient is φ = 97672358446432.

The previous prime is 102112011103051. The next prime is 102112011103129. The reversal of 102112011103111 is 111301110211201.

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 102112011103111 - 2³³ = 102103421168519 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 (102112011103171) 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, 2219826328306 + ... + 2219826328351.

It is an arithmetic number, because the mean of its divisors is an integer number (26637915939948).

Almost surely, 2^{102112011103111} is an apocalyptic number.

102112011103111 is a deficient number, since it is larger than the sum of its proper divisors (4439652656681).

102112011103111 is an equidigital number, since it uses as much as digits as its factorization.

102112011103111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439652656680.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 102112011103111 its reverse (111301110211201), we get a palindrome (213413121314312).

The spelling of 102112011103111 in words is "one hundred two trillion, one hundred twelve billion, eleven million, one hundred three thousand, one hundred eleven".