113144452021 has 8 divisors (see below), whose sum is σ = 122004288000. Its totient is φ = 104575102560.

The previous prime is 113144451997. The next prime is 113144452033. The reversal of 113144452021 is 120254441311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113144452021 - 2⁵ = 113144451989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113144450021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72620821 + ... + 72622378.

It is an arithmetic number, because the mean of its divisors is an integer number (15250536000).

Almost surely, 2^113144452021 is an apocalyptic number.

It is an amenable number.

113144452021 is a deficient number, since it is larger than the sum of its proper divisors (8859835979).

113144452021 is a wasteful number, since it uses less digits than its factorization.

113144452021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145243259.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 113144452021 its reverse (120254441311), we get a palindrome (233398893332).

The spelling of 113144452021 in words is "one hundred thirteen billion, one hundred forty-four million, four hundred fifty-two thousand, twenty-one".