11221301100 has 36 divisors (see below), whose sum is σ = 32466965384. Its totient is φ = 2992346880.

The previous prime is 11221301083. The next prime is 11221301123. The reversal of 11221301100 is 110312211.

It is a super-2 number, since 2×11221301100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18701869 + ... + 18702468.

Almost surely, 2^11221301100 is an apocalyptic number.

11221301100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221301100 is an abundant number, since it is smaller than the sum of its proper divisors (21245664284).

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

11221301100 is a wasteful number, since it uses less digits than its factorization.

11221301100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37404354 (or 37404347 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11221301100 its reverse (110312211), we get a palindrome (11331613311).

The spelling of 11221301100 in words is "eleven billion, two hundred twenty-one million, three hundred one thousand, one hundred".