220111201221102 has 12 divisors (see below), whose sum is σ = 476907602645760. Its totient is φ = 73370400407028.

The previous prime is 220111201221047. The next prime is 220111201221127. The reversal of 220111201221102 is 201122102111022.

220111201221102 is a `hidden beast` number, since 220 + 1 + 1 + 120 + 1 + 221 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12228400067839 = 220111201221102 / (2 + 2 + 0 + 1 + 1 + 1 + 2 + 0 + 1 + 2 + 2 + 1 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6114200033902 + ... + 6114200033937.

It is an arithmetic number, because the mean of its divisors is an integer number (39742300220480).

Almost surely, 2^{220111201221102} is an apocalyptic number.

220111201221102 is an abundant number, since it is smaller than the sum of its proper divisors (256796401424658).

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

220111201221102 is a wasteful number, since it uses less digits than its factorization.

220111201221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12228400067847 (or 12228400067844 counting only the distinct ones).

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

Adding to 220111201221102 its reverse (201122102111022), we get a palindrome (421233303332124).

The spelling of 220111201221102 in words is "two hundred twenty trillion, one hundred eleven billion, two hundred one million, two hundred twenty-one thousand, one hundred two".