202120432103 has 2 divisors, whose sum is σ = 202120432104. Its totient is φ = 202120432102.

The previous prime is 202120432093. The next prime is 202120432133. The reversal of 202120432103 is 301234021202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202120432103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202120432133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060216051 + 101060216052.

It is an arithmetic number, because the mean of its divisors is an integer number (101060216052).

Almost surely, 2^202120432103 is an apocalyptic number.

202120432103 is a deficient number, since it is larger than the sum of its proper divisors (1).

202120432103 is an equidigital number, since it uses as much as digits as its factorization.

202120432103 is an evil number, because the sum of its binary digits is even.

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

Adding to 202120432103 its reverse (301234021202), we get a palindrome (503354453305).

The spelling of 202120432103 in words is "two hundred two billion, one hundred twenty million, four hundred thirty-two thousand, one hundred three".