113221101 has 16 divisors (see below), whose sum is σ = 174238848. Its totient is φ = 64056000.

The previous prime is 113221079. The next prime is 113221103. The reversal of 113221101 is 101122311.

It is not a de Polignac number, because 113221101 - 2¹⁰ = 113220077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24570 + ... + 28811.

It is an arithmetic number, because the mean of its divisors is an integer number (10889928).

Almost surely, 2^113221101 is an apocalyptic number.

It is an amenable number.

113221101 is a deficient number, since it is larger than the sum of its proper divisors (61017747).

113221101 is a wasteful number, since it uses less digits than its factorization.

113221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53492.

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

The square root of 113221101 is about 10640.5404468006. The cubic root of 113221101 is about 483.7739265319.

Adding to 113221101 its reverse (101122311), we get a palindrome (214343412).

The spelling of 113221101 in words is "one hundred thirteen million, two hundred twenty-one thousand, one hundred one".