11122423402 has 4 divisors (see below), whose sum is σ = 16683635106. Its totient is φ = 5561211700.

The previous prime is 11122423339. The next prime is 11122423427. The reversal of 11122423402 is 20432422111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7092839961 + 4029583441 = 84219^2 + 63479^2 .

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 as a sum of consecutive naturals, namely, 2780605849 + ... + 2780605852.

Almost surely, 2^11122423402 is an apocalyptic number.

11122423402 is a deficient number, since it is larger than the sum of its proper divisors (5561211704).

11122423402 is an equidigital number, since it uses as much as digits as its factorization.

11122423402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561211703.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11122423402 its reverse (20432422111), we get a palindrome (31554845513).

The spelling of 11122423402 in words is "eleven billion, one hundred twenty-two million, four hundred twenty-three thousand, four hundred two".