210022020121213 has 2 divisors, whose sum is σ = 210022020121214. Its totient is φ = 210022020121212.

The previous prime is 210022020121079. The next prime is 210022020121229. The reversal of 210022020121213 is 312121020220012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202723690943449 + 7298329177764 = 14238107^2 + 2701542^2 .

It is a cyclic number.

It is not a de Polignac number, because 210022020121213 - 2¹⁷ = 210022019990141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210022020131213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105011010060606 + 105011010060607.

It is an arithmetic number, because the mean of its divisors is an integer number (105011010060607).

Almost surely, 2^{210022020121213} is an apocalyptic number.

It is an amenable number.

210022020121213 is a deficient number, since it is larger than the sum of its proper divisors (1).

210022020121213 is an equidigital number, since it uses as much as digits as its factorization.

210022020121213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 210022020121213 its reverse (312121020220012), we get a palindrome (522143040341225).

The spelling of 210022020121213 in words is "two hundred ten trillion, twenty-two billion, twenty million, one hundred twenty-one thousand, two hundred thirteen".