1211000111093 has 2 divisors, whose sum is σ = 1211000111094. Its totient is φ = 1211000111092.

The previous prime is 1211000111039. The next prime is 1211000111171. The reversal of 1211000111093 is 3901110001121.

It is a happy number.

Together with previous prime (1211000111039) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 916218439249 + 294781671844 = 957193^2 + 542938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1211000111093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211000111393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605500055546 + 605500055547.

It is an arithmetic number, because the mean of its divisors is an integer number (605500055547).

Almost surely, 2^{1211000111093} is an apocalyptic number.

It is an amenable number.

1211000111093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211000111093 is an equidigital number, since it uses as much as digits as its factorization.

1211000111093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 1211000111093 in words is "one trillion, two hundred eleven billion, one hundred eleven thousand, ninety-three".