1120021111100 has 18 divisors (see below), whose sum is σ = 2430445811304. Its totient is φ = 448008444400.

The previous prime is 1120021111087. The next prime is 1120021111103. The reversal of 1120021111100 is 11111200211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120021111103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5600105456 + ... + 5600105655.

Almost surely, 2^{1120021111100} is an apocalyptic number.

1120021111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120021111100 is an abundant number, since it is smaller than the sum of its proper divisors (1310424700204).

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

1120021111100 is a wasteful number, since it uses less digits than its factorization.

1120021111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11200211125 (or 11200211118 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1120021111100 its reverse (11111200211), we get a palindrome (1131132311311).

The spelling of 1120021111100 in words is "one trillion, one hundred twenty billion, twenty-one million, one hundred eleven thousand, one hundred".