220021112022212 has 12 divisors (see below), whose sum is σ = 387976159368336. Its totient is φ = 109170780774120.

The previous prime is 220021112022209. The next prime is 220021112022259. The reversal of 220021112022212 is 212220211120022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209943808658 + ... + 209943809705.

It is an arithmetic number, because the mean of its divisors is an integer number (32331346614028).

Almost surely, 2^{220021112022212} is an apocalyptic number.

It is an amenable number.

220021112022212 is a deficient number, since it is larger than the sum of its proper divisors (167955047346124).

220021112022212 is a wasteful number, since it uses less digits than its factorization.

220021112022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419887618498 (or 419887618496 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220021112022212 its reverse (212220211120022), we get a palindrome (432241323142234).

The spelling of 220021112022212 in words is "two hundred twenty trillion, twenty-one billion, one hundred twelve million, twenty-two thousand, two hundred twelve".