112102513421 has 2 divisors, whose sum is σ = 112102513422. Its totient is φ = 112102513420.

The previous prime is 112102513399. The next prime is 112102513493. The reversal of 112102513421 is 124315201211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57353065225 + 54749448196 = 239485^2 + 233986^2 .

It is a cyclic number.

It is not a de Polignac number, because 112102513421 - 2²⁶ = 112035404557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112102513921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56051256710 + 56051256711.

It is an arithmetic number, because the mean of its divisors is an integer number (56051256711).

Almost surely, 2^112102513421 is an apocalyptic number.

It is an amenable number.

112102513421 is a deficient number, since it is larger than the sum of its proper divisors (1).

112102513421 is an equidigital number, since it uses as much as digits as its factorization.

112102513421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 112102513421 its reverse (124315201211), we get a palindrome (236417714632).

The spelling of 112102513421 in words is "one hundred twelve billion, one hundred two million, five hundred thirteen thousand, four hundred twenty-one".