112421320453 has 8 divisors (see below), whose sum is σ = 125243911800. Its totient is φ = 100195128768.

The previous prime is 112421320439. The next prime is 112421320463. The reversal of 112421320453 is 354023124211.

It can be written as a sum of positive squares in 4 ways, for example, as 8323460289 + 104097860164 = 91233^2 + 322642^2 .

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 112421320453 - 2²⁵ = 112387766021 is a prime.

It is a super-2 number, since 2×112421320453² (a number of 23 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 (112421320463) 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, 149099518 + ... + 149100271.

It is an arithmetic number, because the mean of its divisors is an integer number (15655488975).

Almost surely, 2^112421320453 is an apocalyptic number.

112421320453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

112421320453 is a deficient number, since it is larger than the sum of its proper divisors (12822591347).

112421320453 is a wasteful number, since it uses less digits than its factorization.

112421320453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298199831.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 112421320453 its reverse (354023124211), we get a palindrome (466444444664).

The spelling of 112421320453 in words is "one hundred twelve billion, four hundred twenty-one million, three hundred twenty thousand, four hundred fifty-three".