220021122122200 has 96 divisors (see below), whose sum is σ = 587053394436960. Its totient is φ = 75122801510400.

The previous prime is 220021122122183. The next prime is 220021122122201. The reversal of 220021122122200 is 2221221120022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021122122201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 325716427 + ... + 326391226.

It is an arithmetic number, because the mean of its divisors is an integer number (6115139525385).

Almost surely, 2^{220021122122200} is an apocalyptic number.

220021122122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220021122122200 is an abundant number, since it is smaller than the sum of its proper divisors (367032272314760).

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

220021122122200 is a wasteful number, since it uses less digits than its factorization.

220021122122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652107917 (or 652107908 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220021122122200 its reverse (2221221120022), we get a palindrome (222242343242222).

The spelling of 220021122122200 in words is "two hundred twenty trillion, twenty-one billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred".