221020021202003 has 2 divisors, whose sum is σ = 221020021202004. Its totient is φ = 221020021202002.

The previous prime is 221020021201919. The next prime is 221020021202011. The reversal of 221020021202003 is 300202120020122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221020021202003 - 2⁸ = 221020021201747 is a prime.

It is not a weakly prime, because it can be changed into another prime (221020021205003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110510010601001 + 110510010601002.

It is an arithmetic number, because the mean of its divisors is an integer number (110510010601002).

Almost surely, 2^{221020021202003} is an apocalyptic number.

221020021202003 is a deficient number, since it is larger than the sum of its proper divisors (1).

221020021202003 is an equidigital number, since it uses as much as digits as its factorization.

221020021202003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 221020021202003 its reverse (300202120020122), we get a palindrome (521222141222125).

The spelling of 221020021202003 in words is "two hundred twenty-one trillion, twenty billion, twenty-one million, two hundred two thousand, three".