11221300100 has 36 divisors (see below), whose sum is σ = 24527990004. Its totient is φ = 4455751680.

The previous prime is 11221299997. The next prime is 11221300159. The reversal of 11221300100 is 100312211.

It can be written as a sum of positive squares in 6 ways, for example, as 174028864 + 11047271236 = 13192^2 + 105106^2 .

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, 395837 + ... + 423236.

Almost surely, 2^11221300100 is an apocalyptic number.

11221300100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221300100 is an abundant number, since it is smaller than the sum of its proper divisors (13306689904).

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

11221300100 is a wasteful number, since it uses less digits than its factorization.

11221300100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819224 (or 819217 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11221300100 its reverse (100312211), we get a palindrome (11321612311).

The spelling of 11221300100 in words is "eleven billion, two hundred twenty-one million, three hundred thousand, one hundred".