12200102210921 has 2 divisors, whose sum is σ = 12200102210922. Its totient is φ = 12200102210920.

The previous prime is 12200102210911. The next prime is 12200102210957. The reversal of 12200102210921 is 12901220100221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10486068768400 + 1714033442521 = 3238220^2 + 1309211^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200102210921 - 2⁴² = 7802055699817 is a prime.

It is not a weakly prime, because it can be changed into another prime (12200102210911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100051105460 + 6100051105461.

It is an arithmetic number, because the mean of its divisors is an integer number (6100051105461).

Almost surely, 2^{12200102210921} is an apocalyptic number.

It is an amenable number.

12200102210921 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200102210921 is an equidigital number, since it uses as much as digits as its factorization.

12200102210921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 12200102210921 in words is "twelve trillion, two hundred billion, one hundred two million, two hundred ten thousand, nine hundred twenty-one".