201020221121003 has 2 divisors, whose sum is σ = 201020221121004. Its totient is φ = 201020221121002.

The previous prime is 201020221120981. The next prime is 201020221121017. The reversal of 201020221121003 is 300121122020102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201020221121003 - 2²⁴ = 201020204343787 is a prime.

It is not a weakly prime, because it can be changed into another prime (201020221021003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510110560501 + 100510110560502.

It is an arithmetic number, because the mean of its divisors is an integer number (100510110560502).

Almost surely, 2^{201020221121003} is an apocalyptic number.

201020221121003 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020221121003 is an equidigital number, since it uses as much as digits as its factorization.

201020221121003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201020221121003 its reverse (300121122020102), we get a palindrome (501141343141105).

The spelling of 201020221121003 in words is "two hundred one trillion, twenty billion, two hundred twenty-one million, one hundred twenty-one thousand, three".