113142012022421 has 8 divisors (see below), whose sum is σ = 115060550432640. Its totient is φ = 111223502851968.

The previous prime is 113142012022411. The next prime is 113142012022433. The reversal of 113142012022421 is 124220210241311.

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 113142012022421 - 2¹⁸ = 113142011760277 is a prime.

It is a super-2 number, since 2×113142012022421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113142012022411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565925 + ... + 15053381.

It is an arithmetic number, because the mean of its divisors is an integer number (14382568804080).

Almost surely, 2^{113142012022421} is an apocalyptic number.

It is an amenable number.

113142012022421 is a deficient number, since it is larger than the sum of its proper divisors (1918538410219).

113142012022421 is a wasteful number, since it uses less digits than its factorization.

113142012022421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14619883.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 113142012022421 its reverse (124220210241311), we get a palindrome (237362222263732).

The spelling of 113142012022421 in words is "one hundred thirteen trillion, one hundred forty-two billion, twelve million, twenty-two thousand, four hundred twenty-one".