111131012331001 has 16 divisors (see below), whose sum is σ = 120146560619904. Its totient is φ = 102182188437504.

The previous prime is 111131012330969. The next prime is 111131012331037. The reversal of 111131012331001 is 100133210131111.

It is a cyclic number.

It is not a de Polignac number, because 111131012331001 - 2⁵ = 111131012330969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111131012331001.

It is not an unprimeable number, because it can be changed into a prime (111131012331041) 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, 531859590 + ... + 532068496.

It is an arithmetic number, because the mean of its divisors is an integer number (7509160038744).

Almost surely, 2^{111131012331001} is an apocalyptic number.

It is an amenable number.

111131012331001 is a deficient number, since it is larger than the sum of its proper divisors (9015548288903).

111131012331001 is a wasteful number, since it uses less digits than its factorization.

111131012331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368400.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 111131012331001 its reverse (100133210131111), we get a palindrome (211264222462112).

The spelling of 111131012331001 in words is "one hundred eleven trillion, one hundred thirty-one billion, twelve million, three hundred thirty-one thousand, one".