111422423402 has 8 divisors (see below), whose sum is σ = 167140462500. Its totient is φ = 55708935904.

The previous prime is 111422423389. The next prime is 111422423443. The reversal of 111422423402 is 204324224111.

It can be written as a sum of positive squares in 2 ways, for example, as 102847848601 + 8574574801 = 320699^2 + 92599^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076027 + ... + 1175022.

Almost surely, 2^111422423402 is an apocalyptic number.

111422423402 is a deficient number, since it is larger than the sum of its proper divisors (55718039098).

111422423402 is a wasteful number, since it uses less digits than its factorization.

111422423402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275800.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 111422423402 its reverse (204324224111), we get a palindrome (315746647513).

The spelling of 111422423402 in words is "one hundred eleven billion, four hundred twenty-two million, four hundred twenty-three thousand, four hundred two".