11211223003 has 2 divisors, whose sum is σ = 11211223004. Its totient is φ = 11211223002.

The previous prime is 11211222991. The next prime is 11211223027. The reversal of 11211223003 is 30032211211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11211223003 - 2¹³ = 11211214811 is a prime.

It is not a weakly prime, because it can be changed into another prime (11211223103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605611501 + 5605611502.

It is an arithmetic number, because the mean of its divisors is an integer number (5605611502).

Almost surely, 2^11211223003 is an apocalyptic number.

11211223003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211223003 is an equidigital number, since it uses as much as digits as its factorization.

11211223003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11211223003 its reverse (30032211211), we get a palindrome (41243434214).

The spelling of 11211223003 in words is "eleven billion, two hundred eleven million, two hundred twenty-three thousand, three".