202102121211103 has 2 divisors, whose sum is σ = 202102121211104. Its totient is φ = 202102121211102.

The previous prime is 202102121211043. The next prime is 202102121211209. The reversal of 202102121211103 is 301112121201202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202102121211103 - 2¹³ = 202102121202911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202102121218103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051060605551 + 101051060605552.

It is an arithmetic number, because the mean of its divisors is an integer number (101051060605552).

Almost surely, 2^{202102121211103} is an apocalyptic number.

202102121211103 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102121211103 is an equidigital number, since it uses as much as digits as its factorization.

202102121211103 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 19.

Adding to 202102121211103 its reverse (301112121201202), we get a palindrome (503214242412305).

Subtracting 202102121211103 from its reverse (301112121201202), we obtain a palindrome (99009999990099).

The spelling of 202102121211103 in words is "two hundred two trillion, one hundred two billion, one hundred twenty-one million, two hundred eleven thousand, one hundred three".