2021330032201 has 4 divisors (see below), whose sum is σ = 2023768308100. Its totient is φ = 2018891756304.

The previous prime is 2021330032199. The next prime is 2021330032219. The reversal of 2021330032201 is 1022300331202.

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 807884582976 + 1213445449225 = 898824^2 + 1101565^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021330032201 - 2¹ = 2021330032199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021330030201) 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, 1219136706 + ... + 1219138363.

It is an arithmetic number, because the mean of its divisors is an integer number (505942077025).

Almost surely, 2^{2021330032201} is an apocalyptic number.

It is an amenable number.

2021330032201 is a deficient number, since it is larger than the sum of its proper divisors (2438275899).

2021330032201 is an equidigital number, since it uses as much as digits as its factorization.

2021330032201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438275898.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2021330032201 its reverse (1022300331202), we get a palindrome (3043630363403).

The spelling of 2021330032201 in words is "two trillion, twenty-one billion, three hundred thirty million, thirty-two thousand, two hundred one".