1021223221103 has 2 divisors, whose sum is σ = 1021223221104. Its totient is φ = 1021223221102.

The previous prime is 1021223221091. The next prime is 1021223221171. The reversal of 1021223221103 is 3011223221201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021223221103 - 2²⁶ = 1021156112239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021223221003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510611610551 + 510611610552.

It is an arithmetic number, because the mean of its divisors is an integer number (510611610552).

Almost surely, 2^{1021223221103} is an apocalyptic number.

1021223221103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021223221103 is an equidigital number, since it uses as much as digits as its factorization.

1021223221103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1021223221103 its reverse (3011223221201), we get a palindrome (4032446442304).

The spelling of 1021223221103 in words is "one trillion, twenty-one billion, two hundred twenty-three million, two hundred twenty-one thousand, one hundred three".