3133201220121 has 16 divisors (see below), whose sum is σ = 4794892861824. Its totient is φ = 1782716571264.

The previous prime is 3133201220113. The next prime is 3133201220141. The reversal of 3133201220121 is 1210221023313.

It is not a de Polignac number, because 3133201220121 - 2³ = 3133201220113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3133201220111) 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, 320166906 + ... + 320176691.

It is an arithmetic number, because the mean of its divisors is an integer number (299680803864).

Almost surely, 2^{3133201220121} is an apocalyptic number.

It is an amenable number.

3133201220121 is a deficient number, since it is larger than the sum of its proper divisors (1661691641703).

3133201220121 is a wasteful number, since it uses less digits than its factorization.

3133201220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640343840.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3133201220121 its reverse (1210221023313), we get a palindrome (4343422243434).

The spelling of 3133201220121 in words is "three trillion, one hundred thirty-three billion, two hundred one million, two hundred twenty thousand, one hundred twenty-one".