210000202201121 has 2 divisors, whose sum is σ = 210000202201122. Its totient is φ = 210000202201120.

The previous prime is 210000202201073. The next prime is 210000202201133. The reversal of 210000202201121 is 121102202000012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167650186080400 + 42350016120721 = 12947980^2 + 6507689^2 .

It is a cyclic number.

It is not a de Polignac number, because 210000202201121 - 2¹⁰ = 210000202200097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210000202201096 and 210000202201105.

It is not a weakly prime, because it can be changed into another prime (210000202201421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105000101100560 + 105000101100561.

It is an arithmetic number, because the mean of its divisors is an integer number (105000101100561).

Almost surely, 2^{210000202201121} is an apocalyptic number.

It is an amenable number.

210000202201121 is a deficient number, since it is larger than the sum of its proper divisors (1).

210000202201121 is an equidigital number, since it uses as much as digits as its factorization.

210000202201121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210000202201121 its reverse (121102202000012), we get a palindrome (331102404201133).

The spelling of 210000202201121 in words is "two hundred ten trillion, two hundred two million, two hundred one thousand, one hundred twenty-one".