1002220111120 has 40 divisors (see below), whose sum is σ = 2431473143616. Its totient is φ = 383458128768.

The previous prime is 1002220111117. The next prime is 1002220111169. The reversal of 1002220111120 is 211110222001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1002220111120² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1002220111120.

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, 272340582 + ... + 272344261.

Almost surely, 2^{1002220111120} is an apocalyptic number.

1002220111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002220111120 is an abundant number, since it is smaller than the sum of its proper divisors (1429253032496).

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

1002220111120 is a wasteful number, since it uses less digits than its factorization.

1002220111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544684879 (or 544684873 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002220111120 its reverse (211110222001), we get a palindrome (1213330333121).

The spelling of 1002220111120 in words is "one trillion, two billion, two hundred twenty million, one hundred eleven thousand, one hundred twenty".