112112002421 has 4 divisors (see below), whose sum is σ = 112190568672. Its totient is φ = 112033436172.

The previous prime is 112112002381. The next prime is 112112002481. The reversal of 112112002421 is 124200211211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112112002421 - 2¹⁸ = 112111740277 is a prime.

It is a super-2 number, since 2×112112002421² (a number of 23 digits) contains 22 as substring.

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 112112002421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112002481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39280985 + ... + 39283838.

It is an arithmetic number, because the mean of its divisors is an integer number (28047642168).

Almost surely, 2^112112002421 is an apocalyptic number.

It is an amenable number.

112112002421 is a deficient number, since it is larger than the sum of its proper divisors (78566251).

112112002421 is an equidigital number, since it uses as much as digits as its factorization.

112112002421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78566250.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112112002421 its reverse (124200211211), we get a palindrome (236312213632).

The spelling of 112112002421 in words is "one hundred twelve billion, one hundred twelve million, two thousand, four hundred twenty-one".