11221311300 has 72 divisors (see below), whose sum is σ = 33878623296. Its totient is φ = 2862245760.

The previous prime is 11221311293. The next prime is 11221311307. The reversal of 11221311300 is 311312211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11221311293) and next prime (11221311307).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11221311300.

It is not an unprimeable number, because it can be changed into a prime (11221311307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 806239 + ... + 820038.

Almost surely, 2^11221311300 is an apocalyptic number.

11221311300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221311300 is an abundant number, since it is smaller than the sum of its proper divisors (22657311996).

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

11221311300 is a wasteful number, since it uses less digits than its factorization.

11221311300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626317 (or 1626310 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11221311300 its reverse (311312211), we get a palindrome (11532623511).

The spelling of 11221311300 in words is "eleven billion, two hundred twenty-one million, three hundred eleven thousand, three hundred".