220021211022 has 16 divisors (see below), whose sum is σ = 463202549760. Its totient is φ = 69480382392.

The previous prime is 220021211021. The next prime is 220021211153. The reversal of 220021211022 is 220112120022.

It is a junction number, because it is equal to n+sod(n) for n = 220021210992 and 220021211010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021211021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965005198 + ... + 965005425.

It is an arithmetic number, because the mean of its divisors is an integer number (28950159360).

Almost surely, 2^220021211022 is an apocalyptic number.

220021211022 is an abundant number, since it is smaller than the sum of its proper divisors (243181338738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220021211022 is a wasteful number, since it uses less digits than its factorization.

220021211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930010647.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220021211022 its reverse (220112120022), we get a palindrome (440133331044).

The spelling of 220021211022 in words is "two hundred twenty billion, twenty-one million, two hundred eleven thousand, twenty-two".