111201142023 has 12 divisors (see below), whose sum is σ = 160626763128. Its totient is φ = 74132760240.

The previous prime is 111201142009. The next prime is 111201142043. The reversal of 111201142023 is 320241102111.

It is a de Polignac number, because none of the positive numbers 2^k-111201142023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111201141987 and 111201142005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201142043) 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 11 ways as a sum of consecutive naturals, for example, 914236 + ... + 1028702.

It is an arithmetic number, because the mean of its divisors is an integer number (13385563594).

Almost surely, 2^111201142023 is an apocalyptic number.

111201142023 is a deficient number, since it is larger than the sum of its proper divisors (49425621105).

111201142023 is a wasteful number, since it uses less digits than its factorization.

111201142023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222414 (or 222411 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111201142023 its reverse (320241102111), we get a palindrome (431442244134).

The spelling of 111201142023 in words is "one hundred eleven billion, two hundred one million, one hundred forty-two thousand, twenty-three".