10221211220963 has 2 divisors, whose sum is σ = 10221211220964. Its totient is φ = 10221211220962.

The previous prime is 10221211220933. The next prime is 10221211221007. The reversal of 10221211220963 is 36902211212201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221211220963 - 2¹⁰ = 10221211219939 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10221211220923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110605610481 + 5110605610482.

It is an arithmetic number, because the mean of its divisors is an integer number (5110605610482).

Almost surely, 2^{10221211220963} is an apocalyptic number.

10221211220963 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221211220963 is an equidigital number, since it uses as much as digits as its factorization.

10221211220963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 10221211220963 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, two hundred twenty thousand, nine hundred sixty-three".