102111102101022 has 48 divisors (see below), whose sum is σ = 237600773882640. Its totient is φ = 29170158794112.

The previous prime is 102111102101017. The next prime is 102111102101077. The reversal of 102111102101022 is 220101201111201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102111102100992 and 102111102101010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24504753 + ... + 28367324.

It is an arithmetic number, because the mean of its divisors is an integer number (4950016122555).

Almost surely, 2^{102111102101022} is an apocalyptic number.

102111102101022 is an abundant number, since it is smaller than the sum of its proper divisors (135489671781618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102111102101022 is a wasteful number, since it uses less digits than its factorization.

102111102101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52878665 (or 52878658 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102111102101022 its reverse (220101201111201), we get a palindrome (322212303212223).

The spelling of 102111102101022 in words is "one hundred two trillion, one hundred eleven billion, one hundred two million, one hundred one thousand, twenty-two".