220211122021122 has 128 divisors (see below), whose sum is σ = 473126738853888. Its totient is φ = 68165466969600.

The previous prime is 220211122021109. The next prime is 220211122021157. The reversal of 220211122021122 is 221120221112022.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5569164672 + ... + 5569204212.

It is an arithmetic number, because the mean of its divisors is an integer number (3696302647296).

Almost surely, 2^{220211122021122} is an apocalyptic number.

220211122021122 is an abundant number, since it is smaller than the sum of its proper divisors (252915616832766).

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

220211122021122 is a wasteful number, since it uses less digits than its factorization.

220211122021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46504.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 220211122021122 its reverse (221120221112022), we get a palindrome (441331343133144).

The spelling of 220211122021122 in words is "two hundred twenty trillion, two hundred eleven billion, one hundred twenty-two million, twenty-one thousand, one hundred twenty-two".