10112002122221 has 2 divisors, whose sum is σ = 10112002122222. Its totient is φ = 10112002122220.

The previous prime is 10112002122151. The next prime is 10112002122227. The reversal of 10112002122221 is 12222120021101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5741707346596 + 4370294775625 = 2396186^2 + 2090525^2 .

It is a cyclic number.

It is not a de Polignac number, because 10112002122221 - 2²⁶ = 10111935013357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10112002122221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10112002122227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056001061110 + 5056001061111.

It is an arithmetic number, because the mean of its divisors is an integer number (5056001061111).

Almost surely, 2^{10112002122221} is an apocalyptic number.

It is an amenable number.

10112002122221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10112002122221 is an equidigital number, since it uses as much as digits as its factorization.

10112002122221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10112002122221 its reverse (12222120021101), we get a palindrome (22334122143322).

The spelling of 10112002122221 in words is "ten trillion, one hundred twelve billion, two million, one hundred twenty-two thousand, two hundred twenty-one".