221220202112003 has 2 divisors, whose sum is σ = 221220202112004. Its totient is φ = 221220202112002.

The previous prime is 221220202111973. The next prime is 221220202112011. The reversal of 221220202112003 is 300211202022122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221220202112003 - 2¹⁸ = 221220201849859 is a prime.

It is not a weakly prime, because it can be changed into another prime (221220202112083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110610101056001 + 110610101056002.

It is an arithmetic number, because the mean of its divisors is an integer number (110610101056002).

Almost surely, 2^{221220202112003} is an apocalyptic number.

221220202112003 is a deficient number, since it is larger than the sum of its proper divisors (1).

221220202112003 is an equidigital number, since it uses as much as digits as its factorization.

221220202112003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 221220202112003 its reverse (300211202022122), we get a palindrome (521431404134125).

The spelling of 221220202112003 in words is "two hundred twenty-one trillion, two hundred twenty billion, two hundred two million, one hundred twelve thousand, three".