1120013231100 has 72 divisors (see below), whose sum is σ = 3352315490160. Its totient is φ = 288371220480.

The previous prime is 1120013231089. The next prime is 1120013231107. The reversal of 1120013231100 is 11323100211.

It is a happy number.

It is a super-3 number, since 3×1120013231100³ (a number of 37 digits) contains 333 as substring.

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 1120013231100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120013231107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64359877 + ... + 64377276.

Almost surely, 2^{1120013231100} is an apocalyptic number.

1120013231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120013231100 is an abundant number, since it is smaller than the sum of its proper divisors (2232302259060).

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

1120013231100 is a wasteful number, since it uses less digits than its factorization.

1120013231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128737199 (or 128737192 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1120013231100 its reverse (11323100211), we get a palindrome (1131336331311).

The spelling of 1120013231100 in words is "one trillion, one hundred twenty billion, thirteen million, two hundred thirty-one thousand, one hundred".