1211032110103 has 2 divisors, whose sum is σ = 1211032110104. Its totient is φ = 1211032110102.

The previous prime is 1211032110097. The next prime is 1211032110137. The reversal of 1211032110103 is 3010112301121.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3010112301121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1211032110103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211032110203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605516055051 + 605516055052.

It is an arithmetic number, because the mean of its divisors is an integer number (605516055052).

Almost surely, 2^{1211032110103} is an apocalyptic number.

1211032110103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211032110103 is an equidigital number, since it uses as much as digits as its factorization.

1211032110103 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 1211032110103 its reverse (3010112301121), we get a palindrome (4221144411224).

The spelling of 1211032110103 in words is "one trillion, two hundred eleven billion, thirty-two million, one hundred ten thousand, one hundred three".