10122216101 has 2 divisors, whose sum is σ = 10122216102. Its totient is φ = 10122216100.

The previous prime is 10122215963. The next prime is 10122216163. The reversal of 10122216101 is 10161222101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8902111201 + 1220104900 = 94351^2 + 34930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10122216101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10122216101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10122216301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061108050 + 5061108051.

It is an arithmetic number, because the mean of its divisors is an integer number (5061108051).

Almost surely, 2^10122216101 is an apocalyptic number.

It is an amenable number.

10122216101 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122216101 is an equidigital number, since it uses as much as digits as its factorization.

10122216101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10122216101 its reverse (10161222101), we get a palindrome (20283438202).

The spelling of 10122216101 in words is "ten billion, one hundred twenty-two million, two hundred sixteen thousand, one hundred one".