202100210120101 has 2 divisors, whose sum is σ = 202100210120102. Its totient is φ = 202100210120100.

The previous prime is 202100210120077. The next prime is 202100210120119. The reversal of 202100210120101 is 101021012001202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198751771264225 + 3348438855876 = 14097935^2 + 1829874^2 .

It is a cyclic number.

It is not a de Polignac number, because 202100210120101 - 2²⁵ = 202100176565669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202100210120701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101050105060050 + 101050105060051.

It is an arithmetic number, because the mean of its divisors is an integer number (101050105060051).

Almost surely, 2^{202100210120101} is an apocalyptic number.

It is an amenable number.

202100210120101 is a deficient number, since it is larger than the sum of its proper divisors (1).

202100210120101 is an equidigital number, since it uses as much as digits as its factorization.

202100210120101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202100210120101 its reverse (101021012001202), we get a palindrome (303121222121303).

The spelling of 202100210120101 in words is "two hundred two trillion, one hundred billion, two hundred ten million, one hundred twenty thousand, one hundred one".