112112212002521 has 2 divisors, whose sum is σ = 112112212002522. Its totient is φ = 112112212002520.

The previous prime is 112112212002473. The next prime is 112112212002589. The reversal of 112112212002521 is 125200212211211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71386614883600 + 40725597118921 = 8449060^2 + 6381661^2 .

It is an emirp because it is prime and its reverse (125200212211211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112112212002521 - 2³⁰ = 112111138260697 is a prime.

It is not a weakly prime, because it can be changed into another prime (112112212002821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56056106001260 + 56056106001261.

It is an arithmetic number, because the mean of its divisors is an integer number (56056106001261).

Almost surely, 2^{112112212002521} is an apocalyptic number.

It is an amenable number.

112112212002521 is a deficient number, since it is larger than the sum of its proper divisors (1).

112112212002521 is an equidigital number, since it uses as much as digits as its factorization.

112112212002521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 23.

Adding to 112112212002521 its reverse (125200212211211), we get a palindrome (237312424213732).

The spelling of 112112212002521 in words is "one hundred twelve trillion, one hundred twelve billion, two hundred twelve million, two thousand, five hundred twenty-one".