111120100112001 has 32 divisors (see below), whose sum is σ = 158414133623040. Its totient is φ = 69149193474816.

The previous prime is 111120100111859. The next prime is 111120100112017. The reversal of 111120100112001 is 100211001021111.

It is not a de Polignac number, because 111120100112001 - 2¹⁰ = 111120100110977 is a prime.

It is a super-2 number, since 2×111120100112001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111120100112051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109431141 + ... + 110441906.

It is an arithmetic number, because the mean of its divisors is an integer number (4950441675720).

Almost surely, 2^{111120100112001} is an apocalyptic number.

It is an amenable number.

111120100112001 is a deficient number, since it is larger than the sum of its proper divisors (47294033511039).

111120100112001 is a wasteful number, since it uses less digits than its factorization.

111120100112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219873273.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111120100112001 its reverse (100211001021111), we get a palindrome (211331101133112).

The spelling of 111120100112001 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred million, one hundred twelve thousand, one".