111321113001 has 24 divisors (see below), whose sum is σ = 178615163520. Its totient is φ = 61418542752.

The previous prime is 111321112979. The next prime is 111321113083. The reversal of 111321113001 is 100311123111.

It is a de Polignac number, because none of the positive numbers 2^k-111321113001 is a prime.

It is a super-3 number, since 3×111321113001³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (111321113401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13052401 + ... + 13060926.

It is an arithmetic number, because the mean of its divisors is an integer number (7442298480).

Almost surely, 2^111321113001 is an apocalyptic number.

It is an amenable number.

111321113001 is a deficient number, since it is larger than the sum of its proper divisors (67294050519).

111321113001 is a wasteful number, since it uses less digits than its factorization.

111321113001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26113373 (or 26113366 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 111321113001 its reverse (100311123111), we get a palindrome (211632236112).

The spelling of 111321113001 in words is "one hundred eleven billion, three hundred twenty-one million, one hundred thirteen thousand, one".