111402899 has 4 divisors (see below), whose sum is σ = 112506000. Its totient is φ = 110299800.

The previous prime is 111402883. The next prime is 111402901. The reversal of 111402899 is 998204111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 998204111 = 20879 ⋅47809.

It is a cyclic number.

It is not a de Polignac number, because 111402899 - 2⁴ = 111402883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111402829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551399 + ... + 551600.

It is an arithmetic number, because the mean of its divisors is an integer number (28126500).

Almost surely, 2^111402899 is an apocalyptic number.

111402899 is a deficient number, since it is larger than the sum of its proper divisors (1103101).

111402899 is a wasteful number, since it uses less digits than its factorization.

111402899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103100.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 111402899 is about 10554.7571739003. The cubic root of 111402899 is about 481.1703198829.

The spelling of 111402899 in words is "one hundred eleven million, four hundred two thousand, eight hundred ninety-nine".