113442033421 has 16 divisors (see below), whose sum is σ = 116879112000. Its totient is φ = 110071189888.

The previous prime is 113442033401. The next prime is 113442033437. The reversal of 113442033421 is 124330244311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113442033421 - 2²³ = 113433644813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113442033421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113442033401) 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, 1049130 + ... + 1152196.

It is an arithmetic number, because the mean of its divisors is an integer number (7304944500).

Almost surely, 2^113442033421 is an apocalyptic number.

It is an amenable number.

113442033421 is a deficient number, since it is larger than the sum of its proper divisors (3437078579).

113442033421 is a wasteful number, since it uses less digits than its factorization.

113442033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103388.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 113442033421 its reverse (124330244311), we get a palindrome (237772277732).

The spelling of 113442033421 in words is "one hundred thirteen billion, four hundred forty-two million, thirty-three thousand, four hundred twenty-one".