1131223011103 has 2 divisors, whose sum is σ = 1131223011104. Its totient is φ = 1131223011102.

The previous prime is 1131223011067. The next prime is 1131223011137. The reversal of 1131223011103 is 3011103221311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131223011103 is a prime.

It is a super-2 number, since 2×1131223011103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131223011703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565611505551 + 565611505552.

It is an arithmetic number, because the mean of its divisors is an integer number (565611505552).

Almost surely, 2^{1131223011103} is an apocalyptic number.

1131223011103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131223011103 is an equidigital number, since it uses as much as digits as its factorization.

1131223011103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1131223011103 its reverse (3011103221311), we get a palindrome (4142326232414).

The spelling of 1131223011103 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-three million, eleven thousand, one hundred three".