1112120100020 has 24 divisors (see below), whose sum is σ = 2389765053984. Its totient is φ = 434502736416.

The previous prime is 1112120100019. The next prime is 1112120100053. The reversal of 1112120100020 is 200010212111.

It is a super-2 number, since 2×1112120100020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112120099974 and 1112120100010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646580594 + ... + 646582313.

It is an arithmetic number, because the mean of its divisors is an integer number (99573543916).

Almost surely, 2^{1112120100020} is an apocalyptic number.

1112120100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112120100020 is an abundant number, since it is smaller than the sum of its proper divisors (1277644953964).

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

1112120100020 is a wasteful number, since it uses less digits than its factorization.

1112120100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293162959 (or 1293162957 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1112120100020 its reverse (200010212111), we get a palindrome (1312130312131).

The spelling of 1112120100020 in words is "one trillion, one hundred twelve billion, one hundred twenty million, one hundred thousand, twenty".