102102202020111 has 16 divisors (see below), whose sum is σ = 136174573516800. Its totient is φ = 68048983826208.

The previous prime is 102102202020089. The next prime is 102102202020173. The reversal of 102102202020111 is 111020202201201.

It is not a de Polignac number, because 102102202020111 - 2²² = 102102197825807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102202020211) 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, 376237770 + ... + 376509048.

It is an arithmetic number, because the mean of its divisors is an integer number (8510910844800).

Almost surely, 2^{102102202020111} is an apocalyptic number.

102102202020111 is a deficient number, since it is larger than the sum of its proper divisors (34072371496689).

102102202020111 is a wasteful number, since it uses less digits than its factorization.

102102202020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306118.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102102202020111 its reverse (111020202201201), we get a palindrome (213122404221312).

The spelling of 102102202020111 in words is "one hundred two trillion, one hundred two billion, two hundred two million, twenty thousand, one hundred eleven".