1112101022220 has 24 divisors (see below), whose sum is σ = 3113882862384. Its totient is φ = 296560272576.

The previous prime is 1112101022147. The next prime is 1112101022233. The reversal of 1112101022220 is 222201012111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1112101022220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9267508459 + ... + 9267508578.

It is an arithmetic number, because the mean of its divisors is an integer number (129745119266).

Almost surely, 2^{1112101022220} is an apocalyptic number.

1112101022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112101022220 is an abundant number, since it is smaller than the sum of its proper divisors (2001781840164).

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

1112101022220 is a wasteful number, since it uses less digits than its factorization.

1112101022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18535017049 (or 18535017047 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1112101022220 its reverse (222201012111), we get a palindrome (1334302034331).

The spelling of 1112101022220 in words is "one trillion, one hundred twelve billion, one hundred one million, twenty-two thousand, two hundred twenty".