111201259442 has 36 divisors (see below), whose sum is σ = 210108774906. Its totient is φ = 43991700480.

The previous prime is 111201259427. The next prime is 111201259459. The reversal of 111201259442 is 244952102111.

It can be written as a sum of positive squares in 3 ways, for example, as 65448477241 + 45752782201 = 255829^2 + 213899^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111201259399 and 111201259408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3340559 + ... + 3373682.

Almost surely, 2^111201259442 is an apocalyptic number.

111201259442 is a deficient number, since it is larger than the sum of its proper divisors (98907515464).

111201259442 is a wasteful number, since it uses less digits than its factorization.

111201259442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6714283 (or 6714263 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 111201259442 in words is "one hundred eleven billion, two hundred one million, two hundred fifty-nine thousand, four hundred forty-two".