11210222101961 has 2 divisors, whose sum is σ = 11210222101962. Its totient is φ = 11210222101960.

The previous prime is 11210222101927. The next prime is 11210222102059. The reversal of 11210222101961 is 16910122201211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7326441427600 + 3883780674361 = 2706740^2 + 1970731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11210222101961 is a prime.

It is not a weakly prime, because it can be changed into another prime (11210222101361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605111050980 + 5605111050981.

It is an arithmetic number, because the mean of its divisors is an integer number (5605111050981).

Almost surely, 2^{11210222101961} is an apocalyptic number.

It is an amenable number.

11210222101961 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210222101961 is an equidigital number, since it uses as much as digits as its factorization.

11210222101961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 29.

The spelling of 11210222101961 in words is "eleven trillion, two hundred ten billion, two hundred twenty-two million, one hundred one thousand, nine hundred sixty-one".