321313212100102 has 4 divisors (see below), whose sum is σ = 481969818150156. Its totient is φ = 160656606050050.

The previous prime is 321313212100021. The next prime is 321313212100117. The reversal of 321313212100102 is 201001212313123.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80328303025024 + ... + 80328303025027.

It is an arithmetic number, because the mean of its divisors is an integer number (120492454537539).

Almost surely, 2^{321313212100102} is an apocalyptic number.

321313212100102 is a deficient number, since it is larger than the sum of its proper divisors (160656606050054).

321313212100102 is a wasteful number, since it uses less digits than its factorization.

321313212100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160656606050053.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 321313212100102 its reverse (201001212313123), we get a palindrome (522314424413225).

The spelling of 321313212100102 in words is "three hundred twenty-one trillion, three hundred thirteen billion, two hundred twelve million, one hundred thousand, one hundred two".