2021033234021 has 16 divisors (see below), whose sum is σ = 2069505043200. Its totient is φ = 1973064052800.

The previous prime is 2021033233997. The next prime is 2021033234057. The reversal of 2021033234021 is 1204323301202.

It is a cyclic number.

It is not a de Polignac number, because 2021033234021 - 2⁶ = 2021033233957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021033236021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33198791 + ... + 33259611.

It is an arithmetic number, because the mean of its divisors is an integer number (129344065200).

Almost surely, 2^{2021033234021} is an apocalyptic number.

It is an amenable number.

2021033234021 is a deficient number, since it is larger than the sum of its proper divisors (48471809179).

2021033234021 is a wasteful number, since it uses less digits than its factorization.

2021033234021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64940.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2021033234021 its reverse (1204323301202), we get a palindrome (3225356535223).

The spelling of 2021033234021 in words is "two trillion, twenty-one billion, thirty-three million, two hundred thirty-four thousand, twenty-one".