113012221443 has 16 divisors (see below), whose sum is σ = 164974861056. Its totient is φ = 68244985440.

The previous prime is 113012221429. The next prime is 113012221451. The reversal of 113012221443 is 344122210311.

It is not a de Polignac number, because 113012221443 - 2⁹ = 113012220931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113012221493) 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, 6172471 + ... + 6190752.

It is an arithmetic number, because the mean of its divisors is an integer number (10310928816).

Almost surely, 2^113012221443 is an apocalyptic number.

113012221443 is a deficient number, since it is larger than the sum of its proper divisors (51962639613).

113012221443 is a wasteful number, since it uses less digits than its factorization.

113012221443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12363514.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 113012221443 its reverse (344122210311), we get a palindrome (457134431754).

The spelling of 113012221443 in words is "one hundred thirteen billion, twelve million, two hundred twenty-one thousand, four hundred forty-three".