210222121221053 has 2 divisors, whose sum is σ = 210222121221054. Its totient is φ = 210222121221052.

The previous prime is 210222121221041. The next prime is 210222121221109. The reversal of 210222121221053 is 350122121222012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174348705749689 + 35873415471364 = 13204117^2 + 5989442^2 .

It is a cyclic number.

It is not a de Polignac number, because 210222121221053 - 2¹⁸ = 210222120958909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210222121521053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105111060610526 + 105111060610527.

It is an arithmetic number, because the mean of its divisors is an integer number (105111060610527).

Almost surely, 2^{210222121221053} is an apocalyptic number.

It is an amenable number.

210222121221053 is a deficient number, since it is larger than the sum of its proper divisors (1).

210222121221053 is an equidigital number, since it uses as much as digits as its factorization.

210222121221053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 210222121221053 its reverse (350122121222012), we get a palindrome (560344242443065).

The spelling of 210222121221053 in words is "two hundred ten trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-one thousand, fifty-three".