102121010111102 has 16 divisors (see below), whose sum is σ = 159845480386560. Its totient is φ = 48839291630712.

The previous prime is 102121010111051. The next prime is 102121010111117. The reversal of 102121010111102 is 201111010121201.

It is a super-2 number, since 2×102121010111102² (a number of 29 digits) contains 22 as substring.

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, 25171202 + ... + 28945317.

It is an arithmetic number, because the mean of its divisors is an integer number (9990342524160).

Almost surely, 2^{102121010111102} is an apocalyptic number.

102121010111102 is a deficient number, since it is larger than the sum of its proper divisors (57724470275458).

102121010111102 is a wasteful number, since it uses less digits than its factorization.

102121010111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54157567.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102121010111102 its reverse (201111010121201), we get a palindrome (303232020232303).

The spelling of 102121010111102 in words is "one hundred two trillion, one hundred twenty-one billion, ten million, one hundred eleven thousand, one hundred two".