111221001300 has 36 divisors (see below), whose sum is σ = 321799431296. Its totient is φ = 29658933600.

The previous prime is 111221001251. The next prime is 111221001319. The reversal of 111221001300 is 3100122111.

It is a super-2 number, since 2×111221001300² (a number of 23 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, 185368036 + ... + 185368635.

Almost surely, 2^111221001300 is an apocalyptic number.

111221001300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111221001300 is an abundant number, since it is smaller than the sum of its proper divisors (210578429996).

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

111221001300 is a wasteful number, since it uses less digits than its factorization.

111221001300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370736688 (or 370736681 counting only the distinct ones).

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

Adding to 111221001300 its reverse (3100122111), we get a palindrome (114321123411).

The spelling of 111221001300 in words is "one hundred eleven billion, two hundred twenty-one million, one thousand, three hundred".