1113112402 has 4 divisors (see below), whose sum is σ = 1669668606. Its totient is φ = 556556200.

The previous prime is 1113112379. The next prime is 1113112411. The reversal of 1113112402 is 2042113111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2042113111 = 227 ⋅8996093.

It can be written as a sum of positive squares in only one way, i.e., 735548641 + 377563761 = 27121^2 + 19431^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278278099 + ... + 278278102.

Almost surely, 2^1113112402 is an apocalyptic number.

1113112402 is a deficient number, since it is larger than the sum of its proper divisors (556556204).

1113112402 is an equidigital number, since it uses as much as digits as its factorization.

1113112402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556556203.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1113112402 is about 33363.3391913939. The cubic root of 1113112402 is about 1036.3656432854.

Adding to 1113112402 its reverse (2042113111), we get a palindrome (3155225513).

The spelling of 1113112402 in words is "one billion, one hundred thirteen million, one hundred twelve thousand, four hundred two".