111131023002 has 8 divisors (see below), whose sum is σ = 222262046016. Its totient is φ = 37043674332.

The previous prime is 111131023001. The next prime is 111131023063. The reversal of 111131023002 is 200320131111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

111131023002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (111131023001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9260918578 + ... + 9260918589.

It is an arithmetic number, because the mean of its divisors is an integer number (27782755752).

Almost surely, 2^111131023002 is an apocalyptic number.

111131023002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111131023002 is a wasteful number, since it uses less digits than its factorization.

111131023002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18521837172.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111131023002 its reverse (200320131111), we get a palindrome (311451154113).

The spelling of 111131023002 in words is "one hundred eleven billion, one hundred thirty-one million, twenty-three thousand, two".