11881973222 has 16 divisors (see below), whose sum is σ = 20753420832. Its totient is φ = 4996193280.

The previous prime is 11881973219. The next prime is 11881973273. The reversal of 11881973222 is 22237918811.

It is a super-2 number, since 2×11881973222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8005979 + ... + 8007462.

It is an arithmetic number, because the mean of its divisors is an integer number (1297088802).

Almost surely, 2^11881973222 is an apocalyptic number.

11881973222 is a deficient number, since it is larger than the sum of its proper divisors (8871447610).

11881973222 is a wasteful number, since it uses less digits than its factorization.

11881973222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16013503.

The product of its digits is 96768, while the sum is 44.

The spelling of 11881973222 in words is "eleven billion, eight hundred eighty-one million, nine hundred seventy-three thousand, two hundred twenty-two".