113221454512 has 20 divisors (see below), whose sum is σ = 219483871776. Its totient is φ = 56580455360.

The previous prime is 113221454497. The next prime is 113221454539. The reversal of 113221454512 is 215454122311.

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, 1861123 + ... + 1920994.

Almost surely, 2^113221454512 is an apocalyptic number.

It is an amenable number.

113221454512 is a deficient number, since it is larger than the sum of its proper divisors (106262417264).

113221454512 is a wasteful number, since it uses less digits than its factorization.

113221454512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783996 (or 3783990 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

Adding to 113221454512 its reverse (215454122311), we get a palindrome (328675576823).

The spelling of 113221454512 in words is "one hundred thirteen billion, two hundred twenty-one million, four hundred fifty-four thousand, five hundred twelve".