220020021110121 has 32 divisors (see below), whose sum is σ = 311824887229440. Its totient is φ = 137599059334464.

The previous prime is 220020021110101. The next prime is 220020021110137. The reversal of 220020021110121 is 121011120020022.

220020021110121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220020021110121 - 2²⁹ = 220019484239209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220020021110121.

It is not an unprimeable number, because it can be changed into a prime (220020021110101) 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, 66950986 + ... + 70160348.

It is an arithmetic number, because the mean of its divisors is an integer number (9744527725920).

Almost surely, 2^{220020021110121} is an apocalyptic number.

It is an amenable number.

220020021110121 is a deficient number, since it is larger than the sum of its proper divisors (91804866119319).

220020021110121 is a wasteful number, since it uses less digits than its factorization.

220020021110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221165.

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

Adding to 220020021110121 its reverse (121011120020022), we get a palindrome (341031141130143).

The spelling of 220020021110121 in words is "two hundred twenty trillion, twenty billion, twenty-one million, one hundred ten thousand, one hundred twenty-one".