112100010221 has 2 divisors, whose sum is σ = 112100010222. Its totient is φ = 112100010220.

The previous prime is 112100010167. The next prime is 112100010223. The reversal of 112100010221 is 122010001211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111265609225 + 834400996 = 333565^2 + 28886^2 .

It is a cyclic number.

It is not a de Polignac number, because 112100010221 - 2³⁴ = 94920141037 is a prime.

Together with 112100010223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112100010223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050005110 + 56050005111.

It is an arithmetic number, because the mean of its divisors is an integer number (56050005111).

Almost surely, 2^112100010221 is an apocalyptic number.

It is an amenable number.

112100010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112100010221 is an equidigital number, since it uses as much as digits as its factorization.

112100010221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112100010221 its reverse (122010001211), we get a palindrome (234110011432).

The spelling of 112100010221 in words is "one hundred twelve billion, one hundred million, ten thousand, two hundred twenty-one".