11211201103 has 2 divisors, whose sum is σ = 11211201104. Its totient is φ = 11211201102.

The previous prime is 11211201073. The next prime is 11211201109. The reversal of 11211201103 is 30110211211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11211201103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11211201109) 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, 5605600551 + 5605600552.

It is an arithmetic number, because the mean of its divisors is an integer number (5605600552).

Almost surely, 2^11211201103 is an apocalyptic number.

11211201103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211201103 is an equidigital number, since it uses as much as digits as its factorization.

11211201103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11211201103 its reverse (30110211211), we get a palindrome (41321412314).

The spelling of 11211201103 in words is "eleven billion, two hundred eleven million, two hundred one thousand, one hundred three".