11211020221003 has 2 divisors, whose sum is σ = 11211020221004. Its totient is φ = 11211020221002.

The previous prime is 11211020220997. The next prime is 11211020221013. The reversal of 11211020221003 is 30012202011211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11211020221003 - 2⁵ = 11211020220971 is a prime.

It is not a weakly prime, because it can be changed into another prime (11211020221013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605510110501 + 5605510110502.

It is an arithmetic number, because the mean of its divisors is an integer number (5605510110502).

Almost surely, 2^{11211020221003} is an apocalyptic number.

11211020221003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211020221003 is an equidigital number, since it uses as much as digits as its factorization.

11211020221003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11211020221003 its reverse (30012202011211), we get a palindrome (41223222232214).

The spelling of 11211020221003 in words is "eleven trillion, two hundred eleven billion, twenty million, two hundred twenty-one thousand, three".