11111322204 has 48 divisors (see below), whose sum is σ = 28812931840. Its totient is φ = 3703028400.

The previous prime is 11111322199. The next prime is 11111322251. The reversal of 11111322204 is 40222311111.

It is a super-2 number, since 2×11111322204² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886179 + ... + 898629.

Almost surely, 2^11111322204 is an apocalyptic number.

It is an amenable number.

11111322204 is an abundant number, since it is smaller than the sum of its proper divisors (17701609636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111322204 is a wasteful number, since it uses less digits than its factorization.

11111322204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20727 (or 20719 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11111322204 its reverse (40222311111), we get a palindrome (51333633315).

The spelling of 11111322204 in words is "eleven billion, one hundred eleven million, three hundred twenty-two thousand, two hundred four".