11221201300 has 36 divisors (see below), whose sum is σ = 24409631260. Its totient is φ = 4477489920.

The previous prime is 11221201253. The next prime is 11221201301. The reversal of 11221201300 is 310212211.

It can be written as a sum of positive squares in 6 ways, for example, as 1632483216 + 9588718084 = 40404^2 + 97922^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221201301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96279 + ... + 178078.

Almost surely, 2^11221201300 is an apocalyptic number.

11221201300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221201300 is an abundant number, since it is smaller than the sum of its proper divisors (13188429960).

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

11221201300 is a wasteful number, since it uses less digits than its factorization.

11221201300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274780 (or 274773 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11221201300 its reverse (310212211), we get a palindrome (11531413511).

It can be divided in two parts, 11221 and 201300, that added together give a square (212521 = 461²).

The spelling of 11221201300 in words is "eleven billion, two hundred twenty-one million, two hundred one thousand, three hundred".