10101222121189 has 2 divisors, whose sum is σ = 10101222121190. Its totient is φ = 10101222121188.

The previous prime is 10101222121117. The next prime is 10101222121229. The reversal of 10101222121189 is 98112122210101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7110888890625 + 2990333230564 = 2666625^2 + 1729258^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101222121189 - 2²⁹ = 10100685250277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10101222121189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10101222101189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050611060594 + 5050611060595.

It is an arithmetic number, because the mean of its divisors is an integer number (5050611060595).

Almost surely, 2^{10101222121189} is an apocalyptic number.

It is an amenable number.

10101222121189 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101222121189 is an equidigital number, since it uses as much as digits as its factorization.

10101222121189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 31.

The spelling of 10101222121189 in words is "ten trillion, one hundred one billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred eighty-nine".