2041220030021 has 16 divisors (see below), whose sum is σ = 2150418009600. Its totient is φ = 1932199275888.

The previous prime is 2041220030009. The next prime is 2041220030039. The reversal of 2041220030021 is 1200300221402.

It is a cyclic number.

It is not a de Polignac number, because 2041220030021 - 2⁶ = 2041220029957 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 (2041220030621) 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, 156253136 + ... + 156266198.

It is an arithmetic number, because the mean of its divisors is an integer number (134401125600).

Almost surely, 2^{2041220030021} is an apocalyptic number.

It is an amenable number.

2041220030021 is a deficient number, since it is larger than the sum of its proper divisors (109197979579).

2041220030021 is a wasteful number, since it uses less digits than its factorization.

2041220030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19208.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2041220030021 its reverse (1200300221402), we get a palindrome (3241520251423).

The spelling of 2041220030021 in words is "two trillion, forty-one billion, two hundred twenty million, thirty thousand, twenty-one".