3112220320121 has 16 divisors (see below), whose sum is σ = 3493514914560. Its totient is φ = 2748055143120.

The previous prime is 3112220320081. The next prime is 3112220320133. The reversal of 3112220320121 is 1210230222113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3112220320121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3112220320093 and 3112220320102.

It is not an unprimeable number, because it can be changed into a prime (3112220320141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18294515 + ... + 18463848.

It is an arithmetic number, because the mean of its divisors is an integer number (218344682160).

Almost surely, 2^{3112220320121} is an apocalyptic number.

It is an amenable number.

3112220320121 is a deficient number, since it is larger than the sum of its proper divisors (381294594439).

3112220320121 is a wasteful number, since it uses less digits than its factorization.

3112220320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36758596.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 3112220320121 its reverse (1210230222113), we get a palindrome (4322450542234).

The spelling of 3112220320121 in words is "three trillion, one hundred twelve billion, two hundred twenty million, three hundred twenty thousand, one hundred twenty-one".