121023130102 has 20 divisors (see below), whose sum is σ = 211777884756. Its totient is φ = 51867053700.

The previous prime is 121023130091. The next prime is 121023130127. The reversal of 121023130102 is 201031320121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12596524 + ... + 12606127.

Almost surely, 2^121023130102 is an apocalyptic number.

121023130102 is a deficient number, since it is larger than the sum of its proper divisors (90754754654).

121023130102 is an frugal number, since it uses more digits than its factorization.

121023130102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25202681 (or 25202660 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121023130102 its reverse (201031320121), we get a palindrome (322054450223).

The spelling of 121023130102 in words is "one hundred twenty-one billion, twenty-three million, one hundred thirty thousand, one hundred two".