220111202011212 has 42 divisors (see below), whose sum is σ = 577527711457508. Its totient is φ = 73370400669432.

The previous prime is 220111202011201. The next prime is 220111202011223. The reversal of 220111202011212 is 212110202111022.

220111202011212 is a `hidden beast` number, since 220 + 1 + 1 + 120 + 201 + 121 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (220111202011201) and next prime (220111202011223).

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

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 37741972738 + ... + 37741978569.

Almost surely, 2^{220111202011212} is an apocalyptic number.

It is an amenable number.

220111202011212 is an abundant number, since it is smaller than the sum of its proper divisors (357416509446296).

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

220111202011212 is an equidigital number, since it uses as much as digits as its factorization.

220111202011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75483951329 (or 75483951312 counting only the distinct ones).

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

Adding to 220111202011212 its reverse (212110202111022), we get a palindrome (432221404122234).

The spelling of 220111202011212 in words is "two hundred twenty trillion, one hundred eleven billion, two hundred two million, eleven thousand, two hundred twelve".