1111220120013 has 16 divisors (see below), whose sum is σ = 1531799894016. Its totient is φ = 715801212720.

The previous prime is 1111220119981. The next prime is 1111220120033. The reversal of 1111220120013 is 3100210221111.

It is not a de Polignac number, because 1111220120013 - 2⁵ = 1111220119981 is a prime.

It is a super-2 number, since 2×1111220120013² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111220119974 and 1111220120001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111220120033) 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, 9231495 + ... + 9351092.

It is an arithmetic number, because the mean of its divisors is an integer number (95737493376).

Almost surely, 2^{1111220120013} is an apocalyptic number.

It is an amenable number.

1111220120013 is a deficient number, since it is larger than the sum of its proper divisors (420579774003).

1111220120013 is a wasteful number, since it uses less digits than its factorization.

1111220120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18583264.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1111220120013 its reverse (3100210221111), we get a palindrome (4211430341124).

The spelling of 1111220120013 in words is "one trillion, one hundred eleven billion, two hundred twenty million, one hundred twenty thousand, thirteen".