3121322111002 has 8 divisors (see below), whose sum is σ = 4738392602496. Its totient is φ = 1541857910172.

The previous prime is 3121322110981. The next prime is 3121322111041. The reversal of 3121322111002 is 2001112231213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9401572458 + ... + 9401572789.

It is an arithmetic number, because the mean of its divisors is an integer number (592299075312).

Almost surely, 2^{3121322111002} is an apocalyptic number.

3121322111002 is a deficient number, since it is larger than the sum of its proper divisors (1617070491494).

3121322111002 is a wasteful number, since it uses less digits than its factorization.

3121322111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18803145332.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 3121322111002 its reverse (2001112231213), we get a palindrome (5122434342215).

The spelling of 3121322111002 in words is "three trillion, one hundred twenty-one billion, three hundred twenty-two million, one hundred eleven thousand, two".