1213022221003 has 2 divisors, whose sum is σ = 1213022221004. Its totient is φ = 1213022221002.

The previous prime is 1213022220983. The next prime is 1213022221007. The reversal of 1213022221003 is 3001222203121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213022221003 - 2⁹ = 1213022220491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213022221007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606511110501 + 606511110502.

It is an arithmetic number, because the mean of its divisors is an integer number (606511110502).

Almost surely, 2^{1213022221003} is an apocalyptic number.

1213022221003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213022221003 is an equidigital number, since it uses as much as digits as its factorization.

1213022221003 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 19.

Adding to 1213022221003 its reverse (3001222203121), we get a palindrome (4214244424124).

The spelling of 1213022221003 in words is "one trillion, two hundred thirteen billion, twenty-two million, two hundred twenty-one thousand, three".