2133021120331 has 4 divisors (see below), whose sum is σ = 2133571297312. Its totient is φ = 2132470943352.

The previous prime is 2133021120301. The next prime is 2133021120359. The reversal of 2133021120331 is 1330211203312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2133021120331 - 2⁵ = 2133021120299 is a prime.

It is a super-2 number, since 2×2133021120331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133021120301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275082675 + ... + 275090428.

It is an arithmetic number, because the mean of its divisors is an integer number (533392824328).

Almost surely, 2^{2133021120331} is an apocalyptic number.

2133021120331 is a deficient number, since it is larger than the sum of its proper divisors (550176981).

2133021120331 is an equidigital number, since it uses as much as digits as its factorization.

2133021120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550176980.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2133021120331 its reverse (1330211203312), we get a palindrome (3463232323643).

It can be divided in two parts, 2 and 133021120331, that multiplied together give a palindrome (266042240662).

The spelling of 2133021120331 in words is "two trillion, one hundred thirty-three billion, twenty-one million, one hundred twenty thousand, three hundred thirty-one".