11221904724004 has 24 divisors (see below), whose sum is σ = 21227014809728. Its totient is φ = 5160228677280.

The previous prime is 11221904723971. The next prime is 11221904724007. The reversal of 11221904724004 is 40042740912211.

It is a happy number.

It is a super-2 number, since 2×11221904724004² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221904724007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398151702 + ... + 398179885.

Almost surely, 2^{11221904724004} is an apocalyptic number.

It is an amenable number.

11221904724004 is a deficient number, since it is larger than the sum of its proper divisors (10005110085724).

11221904724004 is a wasteful number, since it uses less digits than its factorization.

11221904724004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796331875 (or 796331873 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 11221904724004 in words is "eleven trillion, two hundred twenty-one billion, nine hundred four million, seven hundred twenty-four thousand, four".