1120111200021 has 16 divisors (see below), whose sum is σ = 1629288774720. Its totient is φ = 678840222720.

The previous prime is 1120111199953. The next prime is 1120111200037. The reversal of 1120111200021 is 1200021110211.

It is not a de Polignac number, because 1120111200021 - 2³⁵ = 1085751461653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120111200421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1238215 + ... + 1942523.

It is an arithmetic number, because the mean of its divisors is an integer number (101830548420).

Almost surely, 2^{1120111200021} is an apocalyptic number.

1120111200021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1120111200021 is a deficient number, since it is larger than the sum of its proper divisors (509177574699).

1120111200021 is a wasteful number, since it uses less digits than its factorization.

1120111200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752516.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1120111200021 its reverse (1200021110211), we get a palindrome (2320132310232).

The spelling of 1120111200021 in words is "one trillion, one hundred twenty billion, one hundred eleven million, two hundred thousand, twenty-one".