2101202100223 has 2 divisors, whose sum is σ = 2101202100224. Its totient is φ = 2101202100222.

The previous prime is 2101202100121. The next prime is 2101202100227. The reversal of 2101202100223 is 3220012021012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101202100223 is a prime.

It is a super-2 number, since 2×2101202100223² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2101202100197 and 2101202100206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101202100227) 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, 1050601050111 + 1050601050112.

It is an arithmetic number, because the mean of its divisors is an integer number (1050601050112).

Almost surely, 2^{2101202100223} is an apocalyptic number.

2101202100223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101202100223 is an equidigital number, since it uses as much as digits as its factorization.

2101202100223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2101202100223 its reverse (3220012021012), we get a palindrome (5321214121235).

The spelling of 2101202100223 in words is "two trillion, one hundred one billion, two hundred two million, one hundred thousand, two hundred twenty-three".