11311221434 has 8 divisors (see below), whose sum is σ = 16967581920. Its totient is φ = 5655360796.

The previous prime is 11311221421. The next prime is 11311221443. The reversal of 11311221434 is 43412211311.

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, 62054 + ... + 162705.

It is an arithmetic number, because the mean of its divisors is an integer number (2120947740).

Almost surely, 2^11311221434 is an apocalyptic number.

11311221434 is a deficient number, since it is larger than the sum of its proper divisors (5656360486).

11311221434 is a wasteful number, since it uses less digits than its factorization.

11311221434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249924.

The product of its digits is 576, while the sum is 23.

Adding to 11311221434 its reverse (43412211311), we get a palindrome (54723432745).

The spelling of 11311221434 in words is "eleven billion, three hundred eleven million, two hundred twenty-one thousand, four hundred thirty-four".