220212021220100 has 72 divisors (see below), whose sum is σ = 588135490544448. Its totient is φ = 69693474844800.

The previous prime is 220212021220099. The next prime is 220212021220153. The reversal of 220212021220100 is 1022120212022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12099552506 + ... + 12099570705.

It is an arithmetic number, because the mean of its divisors is an integer number (8168548479784).

Almost surely, 2^{220212021220100} is an apocalyptic number.

220212021220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220212021220100 is an abundant number, since it is smaller than the sum of its proper divisors (367923469324348).

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

220212021220100 is a wasteful number, since it uses less digits than its factorization.

220212021220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24199123245 (or 24199123238 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220212021220100 its reverse (1022120212022), we get a palindrome (221234141432122).

The spelling of 220212021220100 in words is "two hundred twenty trillion, two hundred twelve billion, twenty-one million, two hundred twenty thousand, one hundred".