113102133221 has 32 divisors (see below), whose sum is σ = 142024900608. Its totient is φ = 87498440640.

The previous prime is 113102133217. The next prime is 113102133229. The reversal of 113102133221 is 122331201311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113102133221 - 2² = 113102133217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113102133193 and 113102133202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113102133229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18408476 + ... + 18414618.

It is an arithmetic number, because the mean of its divisors is an integer number (4438278144).

Almost surely, 2^113102133221 is an apocalyptic number.

113102133221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113102133221 is a deficient number, since it is larger than the sum of its proper divisors (28922767387).

113102133221 is a wasteful number, since it uses less digits than its factorization.

113102133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7841.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113102133221 its reverse (122331201311), we get a palindrome (235433334532).

The spelling of 113102133221 in words is "one hundred thirteen billion, one hundred two million, one hundred thirty-three thousand, two hundred twenty-one".