113562045721421 has 8 divisors (see below), whose sum is σ = 123886146846144. Its totient is φ = 103237991061120.

The previous prime is 113562045721381. The next prime is 113562045721429. The reversal of 113562045721421 is 124127540265311.

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 113562045721421 - 2¹⁰ = 113562045720397 is a prime.

It is a super-2 number, since 2×113562045721421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113562045721429) 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, 6404105 + ... + 16374878.

It is an arithmetic number, because the mean of its divisors is an integer number (15485768355768).

Almost surely, 2^{113562045721421} is an apocalyptic number.

113562045721421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113562045721421 is a deficient number, since it is larger than the sum of its proper divisors (10324101124723).

113562045721421 is a wasteful number, since it uses less digits than its factorization.

113562045721421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23232211.

The product of its (nonzero) digits is 403200, while the sum is 44.

Adding to 113562045721421 its reverse (124127540265311), we get a palindrome (237689585986732).

The spelling of 113562045721421 in words is "one hundred thirteen trillion, five hundred sixty-two billion, forty-five million, seven hundred twenty-one thousand, four hundred twenty-one".