113120221011 has 24 divisors (see below), whose sum is σ = 179184798720. Its totient is φ = 63264800592.

The previous prime is 113120221009. The next prime is 113120221051. The reversal of 113120221011 is 110122021311.

It is not a de Polignac number, because 113120221011 - 2¹ = 113120221009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113120221051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8179531 + ... + 8193348.

It is an arithmetic number, because the mean of its divisors is an integer number (7466033280).

Almost surely, 2^113120221011 is an apocalyptic number.

113120221011 is a deficient number, since it is larger than the sum of its proper divisors (66064577709).

113120221011 is a wasteful number, since it uses less digits than its factorization.

113120221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16372943 (or 16372936 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 113120221011 its reverse (110122021311), we get a palindrome (223242242322).

The spelling of 113120221011 in words is "one hundred thirteen billion, one hundred twenty million, two hundred twenty-one thousand, eleven".