111402023312 has 20 divisors (see below), whose sum is σ = 215853035340. Its totient is φ = 55698014208.

The previous prime is 111402023311. The next prime is 111402023321. The reversal of 111402023312 is 213320204111.

It can be written as a sum of positive squares in 2 ways, for example, as 101325075856 + 10076947456 = 318316^2 + 100384^2 .

It is not an unprimeable number, because it can be changed into a prime (111402023311) 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, 136208 + ... + 491280.

It is an arithmetic number, because the mean of its divisors is an integer number (10792651767).

Almost surely, 2^111402023312 is an apocalyptic number.

It is an amenable number.

111402023312 is a deficient number, since it is larger than the sum of its proper divisors (104451012028).

111402023312 is a wasteful number, since it uses less digits than its factorization.

111402023312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374690 (or 374684 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111402023312 its reverse (213320204111), we get a palindrome (324722227423).

The spelling of 111402023312 in words is "one hundred eleven billion, four hundred two million, twenty-three thousand, three hundred twelve".