220100011122021 has 16 divisors (see below), whose sum is σ = 299711154288384. Its totient is φ = 143611114786304.

The previous prime is 220100011122001. The next prime is 220100011122071. The reversal of 220100011122021 is 120221110001022.

220100011122021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 220100011122021 - 2³⁵ = 220065651383653 is a prime.

It is a super-2 number, since 2×220100011122021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220100011122001) 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, 130276141 + ... + 131954813.

It is an arithmetic number, because the mean of its divisors is an integer number (18731947143024).

Almost surely, 2^{220100011122021} is an apocalyptic number.

It is an amenable number.

220100011122021 is a deficient number, since it is larger than the sum of its proper divisors (79611143166363).

220100011122021 is a wasteful number, since it uses less digits than its factorization.

220100011122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608620.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220100011122021 its reverse (120221110001022), we get a palindrome (340321121123043).

The spelling of 220100011122021 in words is "two hundred twenty trillion, one hundred billion, eleven million, one hundred twenty-two thousand, twenty-one".