2011020332021 has 2 divisors, whose sum is σ = 2011020332022. Its totient is φ = 2011020332020.

The previous prime is 2011020331967. The next prime is 2011020332023. The reversal of 2011020332021 is 1202330201102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1905794055025 + 105226276996 = 1380505^2 + 324386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011020332021 - 2²⁶ = 2010953223157 is a prime.

It is a Sophie Germain prime.

Together with 2011020332023, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011020332023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005510166010 + 1005510166011.

It is an arithmetic number, because the mean of its divisors is an integer number (1005510166011).

Almost surely, 2^{2011020332021} is an apocalyptic number.

It is an amenable number.

2011020332021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011020332021 is an equidigital number, since it uses as much as digits as its factorization.

2011020332021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2011020332021 its reverse (1202330201102), we get a palindrome (3213350533123).

The spelling of 2011020332021 in words is "two trillion, eleven billion, twenty million, three hundred thirty-two thousand, twenty-one".