102111210021102 has 16 divisors (see below), whose sum is σ = 204249516115152. Its totient is φ = 34032553994880.

The previous prime is 102111210021097. The next prime is 102111210021113. The reversal of 102111210021102 is 201120012111201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128954049 + ... + 1129044492.

It is an arithmetic number, because the mean of its divisors is an integer number (12765594757197).

Almost surely, 2^{102111210021102} is an apocalyptic number.

102111210021102 is an abundant number, since it is smaller than the sum of its proper divisors (102138306094050).

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

102111210021102 is a wasteful number, since it uses less digits than its factorization.

102111210021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258006083.

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

Adding to 102111210021102 its reverse (201120012111201), we get a palindrome (303231222132303).

The spelling of 102111210021102 in words is "one hundred two trillion, one hundred eleven billion, two hundred ten million, twenty-one thousand, one hundred two".