220221220022122 has 32 divisors (see below), whose sum is σ = 382221043349760. Its totient is φ = 94049007022080.

The previous prime is 220221220022119. The next prime is 220221220022123. The reversal of 220221220022122 is 221220022122022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 220221220022093 and 220221220022102.

It is not an unprimeable number, because it can be changed into a prime (220221220022123) 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, 510032722 + ... + 510464317.

It is an arithmetic number, because the mean of its divisors is an integer number (11944407604680).

Almost surely, 2^{220221220022122} is an apocalyptic number.

220221220022122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220221220022122 is a deficient number, since it is larger than the sum of its proper divisors (161999823327638).

220221220022122 is a wasteful number, since it uses less digits than its factorization.

220221220022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020497646.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 220221220022122 its reverse (221220022122022), we get a palindrome (441441242144144).

The spelling of 220221220022122 in words is "two hundred twenty trillion, two hundred twenty-one billion, two hundred twenty million, twenty-two thousand, one hundred twenty-two".