2220022020021 has 32 divisors (see below), whose sum is σ = 3321369744000. Its totient is φ = 1309568456448.

The previous prime is 2220022020001. The next prime is 2220022020023. The reversal of 2220022020021 is 1200202200222.

It is not a de Polignac number, because 2220022020021 - 2¹⁰ = 2220022018997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220022020023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6903526 + ... + 7217943.

It is an arithmetic number, because the mean of its divisors is an integer number (103792804500).

Almost surely, 2^{2220022020021} is an apocalyptic number.

It is an amenable number.

2220022020021 is a deficient number, since it is larger than the sum of its proper divisors (1101347723979).

2220022020021 is a wasteful number, since it uses less digits than its factorization.

2220022020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14121653.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2220022020021 its reverse (1200202200222), we get a palindrome (3420224220243).

The spelling of 2220022020021 in words is "two trillion, two hundred twenty billion, twenty-two million, twenty thousand, twenty-one".