3321100400121 has 16 divisors (see below), whose sum is σ = 5623027132800. Its totient is φ = 1897771657104.

The previous prime is 3321100400113. The next prime is 3321100400129. The reversal of 3321100400121 is 1210040011233.

3321100400121 is a `hidden beast` number, since 3 + 32 + 110 + 0 + 400 + 121 = 666.

It is an interprime number because it is at equal distance from previous prime (3321100400113) and next prime (3321100400129).

It is not a de Polignac number, because 3321100400121 - 2³ = 3321100400113 is a prime.

It is a super-2 number, since 2×3321100400121² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3321100400094 and 3321100400103.

It is not an unprimeable number, because it can be changed into a prime (3321100400129) 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, 8785979706 + ... + 8785980083.

It is an arithmetic number, because the mean of its divisors is an integer number (351439195800).

Almost surely, 2^{3321100400121} is an apocalyptic number.

It is an amenable number.

3321100400121 is a deficient number, since it is larger than the sum of its proper divisors (2301926732679).

3321100400121 is a wasteful number, since it uses less digits than its factorization.

3321100400121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17571959805 (or 17571959799 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 3321100400121 its reverse (1210040011233), we get a palindrome (4531140411354).

The spelling of 3321100400121 in words is "three trillion, three hundred twenty-one billion, one hundred million, four hundred thousand, one hundred twenty-one".