202128220103 has 2 divisors, whose sum is σ = 202128220104. Its totient is φ = 202128220102.

The previous prime is 202128220097. The next prime is 202128220127. The reversal of 202128220103 is 301022821202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202128220103 - 2⁶ = 202128220039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202128220193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101064110051 + 101064110052.

It is an arithmetic number, because the mean of its divisors is an integer number (101064110052).

Almost surely, 2^202128220103 is an apocalyptic number.

202128220103 is a deficient number, since it is larger than the sum of its proper divisors (1).

202128220103 is an equidigital number, since it uses as much as digits as its factorization.

202128220103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

The spelling of 202128220103 in words is "two hundred two billion, one hundred twenty-eight million, two hundred twenty thousand, one hundred three".