1113221302100 has 72 divisors (see below), whose sum is σ = 2421696048408. Its totient is φ = 444182745600.

The previous prime is 1113221302069. The next prime is 1113221302147. The reversal of 1113221302100 is 12031223111.

It can be written as a sum of positive squares in 12 ways, for example, as 488561856784 + 624659445316 = 698972^2 + 790354^2 .

It is a super-3 number, since 3×1113221302100³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78272990 + ... + 78287210.

It is an arithmetic number, because the mean of its divisors is an integer number (33634667339).

Almost surely, 2^{1113221302100} is an apocalyptic number.

1113221302100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113221302100 is an abundant number, since it is smaller than the sum of its proper divisors (1308474746308).

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

1113221302100 is a wasteful number, since it uses less digits than its factorization.

1113221302100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16125 (or 16118 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1113221302100 its reverse (12031223111), we get a palindrome (1125252525211).

The spelling of 1113221302100 in words is "one trillion, one hundred thirteen billion, two hundred twenty-one million, three hundred two thousand, one hundred".