220210021122100 has 36 divisors (see below), whose sum is σ = 477902767202784. Its totient is φ = 88075340915680.

The previous prime is 220210021122059. The next prime is 220210021122103. The reversal of 220210021122100 is 1221120012022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220210021122103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107322784 + ... + 109355383.

It is an arithmetic number, because the mean of its divisors is an integer number (13275076866744).

Almost surely, 2^{220210021122100} is an apocalyptic number.

220210021122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220210021122100 is an abundant number, since it is smaller than the sum of its proper divisors (257692746080684).

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

220210021122100 is a wasteful number, since it uses less digits than its factorization.

220210021122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216688344 (or 216688337 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220210021122100 its reverse (1221120012022), we get a palindrome (221431141134122).

The spelling of 220210021122100 in words is "two hundred twenty trillion, two hundred ten billion, twenty-one million, one hundred twenty-two thousand, one hundred".