220002120122100 has 36 divisors (see below), whose sum is σ = 636539467554144. Its totient is φ = 58667232032480.

The previous prime is 220002120122077. The next prime is 220002120122107. The reversal of 220002120122100 is 1221021200022.

220002120122100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220002120122100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220002120122107) 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, 366670199904 + ... + 366670200503.

It is an arithmetic number, because the mean of its divisors is an integer number (17681651876504).

Almost surely, 2^{220002120122100} is an apocalyptic number.

220002120122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220002120122100 is an abundant number, since it is smaller than the sum of its proper divisors (416537347432044).

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

220002120122100 is a wasteful number, since it uses less digits than its factorization.

220002120122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733340400424 (or 733340400417 counting only the distinct ones).

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

Adding to 220002120122100 its reverse (1221021200022), we get a palindrome (221223141322122).

The spelling of 220002120122100 in words is "two hundred twenty trillion, two billion, one hundred twenty million, one hundred twenty-two thousand, one hundred".