220021110112212 has 24 divisors (see below), whose sum is σ = 570425100291200. Its totient is φ = 73340370037368.

The previous prime is 220021110112211. The next prime is 220021110112213. The reversal of 220021110112212 is 212211011120022.

220021110112212 is a `hidden beast` number, since 220 + 0 + 211 + 1 + 0 + 11 + 221 + 2 = 666.

220021110112212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220021110112211) and next prime (220021110112213).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021110112211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018616250412 + ... + 1018616250627.

Almost surely, 2^{220021110112212} is an apocalyptic number.

It is an amenable number.

220021110112212 is an abundant number, since it is smaller than the sum of its proper divisors (350403990178988).

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

220021110112212 is a wasteful number, since it uses less digits than its factorization.

220021110112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037232501052 (or 2037232501044 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 220021110112212 its reverse (212211011120022), we get a palindrome (432232121232234).

The spelling of 220021110112212 in words is "two hundred twenty trillion, twenty-one billion, one hundred ten million, one hundred twelve thousand, two hundred twelve".