111401402 has 12 divisors (see below), whose sum is σ = 194384250. Its totient is φ = 47743416.

The previous prime is 111401399. The next prime is 111401417. The reversal of 111401402 is 204104111.

It can be written as a sum of positive squares in only one way, i.e., 99780121 + 11621281 = 9989^2 + 3409^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 568277 + ... + 568472.

Almost surely, 2^111401402 is an apocalyptic number.

111401402 is a deficient number, since it is larger than the sum of its proper divisors (82982848).

111401402 is a wasteful number, since it uses less digits than its factorization.

111401402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136765 (or 1136758 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 111401402 is about 10554.6862577719. The cubic root of 111401402 is about 481.1681645973.

Adding to 111401402 its reverse (204104111), we get a palindrome (315505513).

The spelling of 111401402 in words is "one hundred eleven million, four hundred one thousand, four hundred two".