102121311102 has 16 divisors (see below), whose sum is σ = 210831094272. Its totient is φ = 32942358360.

The previous prime is 102121311101. The next prime is 102121311113. The reversal of 102121311102 is 201113121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121311101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274519468 + ... + 274519839.

It is an arithmetic number, because the mean of its divisors is an integer number (13176943392).

Almost surely, 2^102121311102 is an apocalyptic number.

102121311102 is an abundant number, since it is smaller than the sum of its proper divisors (108709783170).

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

102121311102 is a wasteful number, since it uses less digits than its factorization.

102121311102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549039343.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 102121311102 its reverse (201113121201), we get a palindrome (303234432303).

The spelling of 102121311102 in words is "one hundred two billion, one hundred twenty-one million, three hundred eleven thousand, one hundred two".