202113221003 has 2 divisors, whose sum is σ = 202113221004. Its totient is φ = 202113221002.

The previous prime is 202113220987. The next prime is 202113221029. The reversal of 202113221003 is 300122311202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202113221003 - 2⁴ = 202113220987 is a prime.

It is not a weakly prime, because it can be changed into another prime (202113221033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101056610501 + 101056610502.

It is an arithmetic number, because the mean of its divisors is an integer number (101056610502).

Almost surely, 2^202113221003 is an apocalyptic number.

202113221003 is a deficient number, since it is larger than the sum of its proper divisors (1).

202113221003 is an equidigital number, since it uses as much as digits as its factorization.

202113221003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 202113221003 its reverse (300122311202), we get a palindrome (502235532205).

The spelling of 202113221003 in words is "two hundred two billion, one hundred thirteen million, two hundred twenty-one thousand, three".