220122021111 has 32 divisors (see below), whose sum is σ = 324420526080. Its totient is φ = 132050164224.

The previous prime is 220122021017. The next prime is 220122021113. The reversal of 220122021111 is 111120221022.

It is not a de Polignac number, because 220122021111 - 2²⁵ = 220088466679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220122021113) 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, 2584441 + ... + 2668253.

It is an arithmetic number, because the mean of its divisors is an integer number (10138141440).

Almost surely, 2^220122021111 is an apocalyptic number.

220122021111 is a deficient number, since it is larger than the sum of its proper divisors (104298504969).

220122021111 is a wasteful number, since it uses less digits than its factorization.

220122021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86095.

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

Adding to 220122021111 its reverse (111120221022), we get a palindrome (331242242133).

The spelling of 220122021111 in words is "two hundred twenty billion, one hundred twenty-two million, twenty-one thousand, one hundred eleven".