202110122222101 has 2 divisors, whose sum is σ = 202110122222102. Its totient is φ = 202110122222100.

The previous prime is 202110122222081. The next prime is 202110122222111. The reversal of 202110122222101 is 101222221011202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128436911666001 + 73673210556100 = 11333001^2 + 8583310^2 .

It is a cyclic number.

It is not a de Polignac number, because 202110122222101 - 2²⁷ = 202109988004373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202110122222111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055061111050 + 101055061111051.

It is an arithmetic number, because the mean of its divisors is an integer number (101055061111051).

Almost surely, 2^{202110122222101} is an apocalyptic number.

It is an amenable number.

202110122222101 is a deficient number, since it is larger than the sum of its proper divisors (1).

202110122222101 is an equidigital number, since it uses as much as digits as its factorization.

202110122222101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202110122222101 its reverse (101222221011202), we get a palindrome (303332343233303).

The spelling of 202110122222101 in words is "two hundred two trillion, one hundred ten billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred one".