220212220100 has 36 divisors (see below), whose sum is σ = 480500670468. Its totient is φ = 87598224000.

The previous prime is 220212220079. The next prime is 220212220181. The reversal of 220212220100 is 1022212022.

It can be written as a sum of positive squares in 6 ways, for example, as 94363238596 + 125848981504 = 307186^2 + 354752^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6065111 + ... + 6101310.

Almost surely, 2^220212220100 is an apocalyptic number.

220212220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220212220100 is an abundant number, since it is smaller than the sum of its proper divisors (260288450368).

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

220212220100 is a wasteful number, since it uses less digits than its factorization.

220212220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12166616 (or 12166609 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220212220100 its reverse (1022212022), we get a palindrome (221234432122).

It can be divided in two parts, 2202122 and 20100, that added together give a palindrome (2222222).

The spelling of 220212220100 in words is "two hundred twenty billion, two hundred twelve million, two hundred twenty thousand, one hundred".