111120021112001 has 32 divisors (see below), whose sum is σ = 123866330457600. Its totient is φ = 98831901168000.

The previous prime is 111120021111961. The next prime is 111120021112007. The reversal of 111120021112001 is 100211120021111.

It is not a de Polignac number, because 111120021112001 - 2¹⁴ = 111120021095617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111120021112007) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 121777466 + ... + 122686556.

It is an arithmetic number, because the mean of its divisors is an integer number (3870822826800).

Almost surely, 2^{111120021112001} is an apocalyptic number.

111120021112001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111120021112001 is a deficient number, since it is larger than the sum of its proper divisors (12746309345599).

111120021112001 is a wasteful number, since it uses less digits than its factorization.

111120021112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910061.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111120021112001 its reverse (100211120021111), we get a palindrome (211331141133112).

The spelling of 111120021112001 in words is "one hundred eleven trillion, one hundred twenty billion, twenty-one million, one hundred twelve thousand, one".