202102121203 has 2 divisors, whose sum is σ = 202102121204. Its totient is φ = 202102121202.

The previous prime is 202102121131. The next prime is 202102121213. The reversal of 202102121203 is 302121201202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202102121203 - 2⁹ = 202102120691 is a prime.

It is not a weakly prime, because it can be changed into another prime (202102121213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051060601 + 101051060602.

It is an arithmetic number, because the mean of its divisors is an integer number (101051060602).

Almost surely, 2^202102121203 is an apocalyptic number.

202102121203 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102121203 is an equidigital number, since it uses as much as digits as its factorization.

202102121203 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 202102121203 its reverse (302121201202), we get a palindrome (504223322405).

The spelling of 202102121203 in words is "two hundred two billion, one hundred two million, one hundred twenty-one thousand, two hundred three".