112221224125 has 16 divisors (see below), whose sum is σ = 140062850928. Its totient is φ = 89770080000.

The previous prime is 112221224099. The next prime is 112221224131. The reversal of 112221224125 is 521422122211.

It can be written as a sum of positive squares in 8 ways, for example, as 4583425401 + 107637798724 = 67701^2 + 328082^2 .

It is not a de Polignac number, because 112221224125 - 2⁹ = 112221223613 is a prime.

It is a super-2 number, since 2×112221224125² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 112221224125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2149329 + ... + 2200921.

It is an arithmetic number, because the mean of its divisors is an integer number (8753928183).

Almost surely, 2^112221224125 is an apocalyptic number.

It is an amenable number.

112221224125 is a deficient number, since it is larger than the sum of its proper divisors (27841626803).

112221224125 is an equidigital number, since it uses as much as digits as its factorization.

112221224125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69009 (or 68999 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

Adding to 112221224125 its reverse (521422122211), we get a palindrome (633643346336).

The spelling of 112221224125 in words is "one hundred twelve billion, two hundred twenty-one million, two hundred twenty-four thousand, one hundred twenty-five".