11100221222 has 16 divisors (see below), whose sum is σ = 17484934752. Its totient is φ = 5274984000.

The previous prime is 11100221207. The next prime is 11100221227. The reversal of 11100221222 is 22212200111.

It is a super-2 number, since 2×11100221222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11100221197 and 11100221206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100221227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761279 + ... + 775722.

It is an arithmetic number, because the mean of its divisors is an integer number (1092808422).

Almost surely, 2^11100221222 is an apocalyptic number.

11100221222 is a deficient number, since it is larger than the sum of its proper divisors (6384713530).

11100221222 is a wasteful number, since it uses less digits than its factorization.

11100221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537183.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11100221222 its reverse (22212200111), we get a palindrome (33312421333).

The spelling of 11100221222 in words is "eleven billion, one hundred million, two hundred twenty-one thousand, two hundred twenty-two".