112011421 has 2 divisors, whose sum is σ = 112011422. Its totient is φ = 112011420.

The previous prime is 112011407. The next prime is 112011443. The reversal of 112011421 is 124110211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111070521 + 940900 = 10539^2 + 970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112011421 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112011451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56005710 + 56005711.

It is an arithmetic number, because the mean of its divisors is an integer number (56005711).

Almost surely, 2^112011421 is an apocalyptic number.

It is an amenable number.

112011421 is a deficient number, since it is larger than the sum of its proper divisors (1).

112011421 is an equidigital number, since it uses as much as digits as its factorization.

112011421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 112011421 is about 10583.5448220339. The cubic root of 112011421 is about 482.0448369417.

Adding to 112011421 its reverse (124110211), we get a palindrome (236121632).

The spelling of 112011421 in words is "one hundred twelve million, eleven thousand, four hundred twenty-one".