220012002100 has 36 divisors (see below), whose sum is σ = 520828414848. Its totient is φ = 80004364000.

The previous prime is 220012002097. The next prime is 220012002107. The reversal of 220012002100 is 1200210022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012002107) 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, 100004356 + ... + 100006555.

It is an arithmetic number, because the mean of its divisors is an integer number (14467455968).

Almost surely, 2^220012002100 is an apocalyptic number.

220012002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220012002100 is an abundant number, since it is smaller than the sum of its proper divisors (300816412748).

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

220012002100 is a wasteful number, since it uses less digits than its factorization.

220012002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200010936 (or 200010929 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 220012002100 its reverse (1200210022), we get a palindrome (221212212122).

The spelling of 220012002100 in words is "two hundred twenty billion, twelve million, two thousand, one hundred".