3331421121 has 32 divisors (see below), whose sum is σ = 5166240768. Its totient is φ = 1870079040.

The previous prime is 3331421117. The next prime is 3331421141. The reversal of 3331421121 is 1211241333.

It is not a de Polignac number, because 3331421121 - 2² = 3331421117 is a prime.

It is a super-2 number, since 2×3331421121² = 22196733370889793282, which contains 22 as substring.

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 (3331421141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1642510 + ... + 1644536.

It is an arithmetic number, because the mean of its divisors is an integer number (161445024).

Almost surely, 2^3331421121 is an apocalyptic number.

It is an amenable number.

3331421121 is a deficient number, since it is larger than the sum of its proper divisors (1834819647).

3331421121 is a wasteful number, since it uses less digits than its factorization.

3331421121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3381.

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

The square root of 3331421121 is about 57718.4642986973. The cubic root of 3331421121 is about 1493.5158809657.

Adding to 3331421121 its reverse (1211241333), we get a palindrome (4542662454).

The spelling of 3331421121 in words is "three billion, three hundred thirty-one million, four hundred twenty-one thousand, one hundred twenty-one".