121321232100102 has 16 divisors (see below), whose sum is σ = 243019824183360. Its totient is φ = 40377517369512.

The previous prime is 121321232100031. The next prime is 121321232100139. The reversal of 121321232100102 is 201001232123121.

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, 15723328452 + ... + 15723336167.

It is an arithmetic number, because the mean of its divisors is an integer number (15188739011460).

Almost surely, 2^{121321232100102} is an apocalyptic number.

121321232100102 is an abundant number, since it is smaller than the sum of its proper divisors (121698592083258).

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

121321232100102 is a wasteful number, since it uses less digits than its factorization.

121321232100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31446665267.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121321232100102 its reverse (201001232123121), we get a palindrome (322322464223223).

The spelling of 121321232100102 in words is "one hundred twenty-one trillion, three hundred twenty-one billion, two hundred thirty-two million, one hundred thousand, one hundred two".