11213211103 has 2 divisors, whose sum is σ = 11213211104. Its totient is φ = 11213211102.

The previous prime is 11213211089. The next prime is 11213211109. The reversal of 11213211103 is 30111231211.

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-11213211103 is a prime.

It is a super-2 number, since 2×11213211103² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11213211109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606605551 + 5606605552.

It is an arithmetic number, because the mean of its divisors is an integer number (5606605552).

Almost surely, 2^11213211103 is an apocalyptic number.

11213211103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11213211103 is an equidigital number, since it uses as much as digits as its factorization.

11213211103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11213211103 its reverse (30111231211), we get a palindrome (41324442314).

The spelling of 11213211103 in words is "eleven billion, two hundred thirteen million, two hundred eleven thousand, one hundred three".