102111012022111 has 16 divisors (see below), whose sum is σ = 102462697792000. Its totient is φ = 101759788142208.

The previous prime is 102111012022081. The next prime is 102111012022169. The reversal of 102111012022111 is 111220210111201.

It is a cyclic number.

It is not a de Polignac number, because 102111012022111 - 2⁷ = 102111012021983 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 (102111012022511) 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, 3221253340 + ... + 3221285038.

It is an arithmetic number, because the mean of its divisors is an integer number (6403918612000).

Almost surely, 2^{102111012022111} is an apocalyptic number.

102111012022111 is a deficient number, since it is larger than the sum of its proper divisors (351685769889).

102111012022111 is a wasteful number, since it uses less digits than its factorization.

102111012022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38638.

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

Adding to 102111012022111 its reverse (111220210111201), we get a palindrome (213331222133312).

The spelling of 102111012022111 in words is "one hundred two trillion, one hundred eleven billion, twelve million, twenty-two thousand, one hundred eleven".