11121021300 has 36 divisors (see below), whose sum is σ = 32176822496. Its totient is φ = 2965605600.

The previous prime is 11121021299. The next prime is 11121021311. The reversal of 11121021300 is 312012111.

It is a super-2 number, since 2×11121021300² (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 a congruent number.

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, 18534736 + ... + 18535335.

Almost surely, 2^11121021300 is an apocalyptic number.

11121021300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121021300 is an abundant number, since it is smaller than the sum of its proper divisors (21055801196).

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

11121021300 is a wasteful number, since it uses less digits than its factorization.

11121021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37070088 (or 37070081 counting only the distinct ones).

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

Adding to 11121021300 its reverse (312012111), we get a palindrome (11433033411).

The spelling of 11121021300 in words is "eleven billion, one hundred twenty-one million, twenty-one thousand, three hundred".