103211201111 has 2 divisors, whose sum is σ = 103211201112. Its totient is φ = 103211201110.

The previous prime is 103211201081. The next prime is 103211201147. The reversal of 103211201111 is 111102112301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103211201111 - 2³⁴ = 86031331927 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103211201161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51605600555 + 51605600556.

It is an arithmetic number, because the mean of its divisors is an integer number (51605600556).

Almost surely, 2^103211201111 is an apocalyptic number.

103211201111 is a deficient number, since it is larger than the sum of its proper divisors (1).

103211201111 is an equidigital number, since it uses as much as digits as its factorization.

103211201111 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 14.

Adding to 103211201111 its reverse (111102112301), we get a palindrome (214313313412).

The spelling of 103211201111 in words is "one hundred three billion, two hundred eleven million, two hundred one thousand, one hundred eleven".