221020200022103 has 2 divisors, whose sum is σ = 221020200022104. Its totient is φ = 221020200022102.

The previous prime is 221020200022079. The next prime is 221020200022229. The reversal of 221020200022103 is 301220002020122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221020200022103 - 2⁴⁰ = 219920688394327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221020200022603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110510100011051 + 110510100011052.

It is an arithmetic number, because the mean of its divisors is an integer number (110510100011052).

Almost surely, 2^{221020200022103} is an apocalyptic number.

221020200022103 is a deficient number, since it is larger than the sum of its proper divisors (1).

221020200022103 is an equidigital number, since it uses as much as digits as its factorization.

221020200022103 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 221020200022103 its reverse (301220002020122), we get a palindrome (522240202042225).

The spelling of 221020200022103 in words is "two hundred twenty-one trillion, twenty billion, two hundred million, twenty-two thousand, one hundred three".