2033131322021 has 4 divisors (see below), whose sum is σ = 2033149630092. Its totient is φ = 2033113013952.

The previous prime is 2033131322011. The next prime is 2033131322029. The reversal of 2033131322021 is 1202231313302.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1804962693121 + 228168628900 = 1343489^2 + 477670^2 .

It is a cyclic number.

It is not a de Polignac number, because 2033131322021 - 2⁶ = 2033131321957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2033131322029) 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, 8986436 + ... + 9209901.

It is an arithmetic number, because the mean of its divisors is an integer number (508287407523).

Almost surely, 2^{2033131322021} is an apocalyptic number.

It is an amenable number.

2033131322021 is a deficient number, since it is larger than the sum of its proper divisors (18308071).

2033131322021 is a wasteful number, since it uses less digits than its factorization.

2033131322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18308070.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2033131322021 its reverse (1202231313302), we get a palindrome (3235362635323).

The spelling of 2033131322021 in words is "two trillion, thirty-three billion, one hundred thirty-one million, three hundred twenty-two thousand, twenty-one".