210021022120153 has 2 divisors, whose sum is σ = 210021022120154. Its totient is φ = 210021022120152.

The previous prime is 210021022120103. The next prime is 210021022120211. The reversal of 210021022120153 is 351021220120012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113968712925769 + 96052309194384 = 10675613^2 + 9800628^2 .

It is a cyclic number.

It is not a de Polignac number, because 210021022120153 - 2⁹ = 210021022119641 is a prime.

It is not a weakly prime, because it can be changed into another prime (210021022120103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010511060076 + 105010511060077.

It is an arithmetic number, because the mean of its divisors is an integer number (105010511060077).

Almost surely, 2^{210021022120153} is an apocalyptic number.

It is an amenable number.

210021022120153 is a deficient number, since it is larger than the sum of its proper divisors (1).

210021022120153 is an equidigital number, since it uses as much as digits as its factorization.

210021022120153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 210021022120153 its reverse (351021220120012), we get a palindrome (561042242240165).

The spelling of 210021022120153 in words is "two hundred ten trillion, twenty-one billion, twenty-two million, one hundred twenty thousand, one hundred fifty-three".