202102302120203 has 2 divisors, whose sum is σ = 202102302120204. Its totient is φ = 202102302120202.

The previous prime is 202102302120149. The next prime is 202102302120241. The reversal of 202102302120203 is 302021203201202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202102302120203 - 2⁸ = 202102302119947 is a prime.

It is a super-2 number, since 2×202102302120203² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202102302170203) 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, 101051151060101 + 101051151060102.

It is an arithmetic number, because the mean of its divisors is an integer number (101051151060102).

Almost surely, 2^{202102302120203} is an apocalyptic number.

202102302120203 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102302120203 is an equidigital number, since it uses as much as digits as its factorization.

202102302120203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 202102302120203 its reverse (302021203201202), we get a palindrome (504123505321405).

The spelling of 202102302120203 in words is "two hundred two trillion, one hundred two billion, three hundred two million, one hundred twenty thousand, two hundred three".