112122133021 has 8 divisors (see below), whose sum is σ = 116015585400. Its totient is φ = 108230492160.

The previous prime is 112122133001. The next prime is 112122133049. The reversal of 112122133021 is 120331221211.

It can be written as a sum of positive squares in 4 ways, for example, as 26434207396 + 85687925625 = 162586^2 + 292725^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112122133021 is a prime.

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 112122133021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122133001) 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, 326340 + ... + 575101.

It is an arithmetic number, because the mean of its divisors is an integer number (14501948175).

Almost surely, 2^112122133021 is an apocalyptic number.

It is an amenable number.

112122133021 is a deficient number, since it is larger than the sum of its proper divisors (3893452379).

112122133021 is an equidigital number, since it uses as much as digits as its factorization.

112122133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905759.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 112122133021 its reverse (120331221211), we get a palindrome (232453354232).

The spelling of 112122133021 in words is "one hundred twelve billion, one hundred twenty-two million, one hundred thirty-three thousand, twenty-one".