210022201102121 has 2 divisors, whose sum is σ = 210022201102122. Its totient is φ = 210022201102120.

The previous prime is 210022201102117. The next prime is 210022201102193. The reversal of 210022201102121 is 121201102220012.

210022201102121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209194712509225 + 827488592896 = 14463565^2 + 909664^2 .

It is a cyclic number.

It is not a de Polignac number, because 210022201102121 - 2² = 210022201102117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210022201102121.

It is not a weakly prime, because it can be changed into another prime (210022201102421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105011100551060 + 105011100551061.

It is an arithmetic number, because the mean of its divisors is an integer number (105011100551061).

Almost surely, 2^{210022201102121} is an apocalyptic number.

It is an amenable number.

210022201102121 is a deficient number, since it is larger than the sum of its proper divisors (1).

210022201102121 is an equidigital number, since it uses as much as digits as its factorization.

210022201102121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210022201102121 its reverse (121201102220012), we get a palindrome (331223303322133).

The spelling of 210022201102121 in words is "two hundred ten trillion, twenty-two billion, two hundred one million, one hundred two thousand, one hundred twenty-one".