1012110000091 has 2 divisors, whose sum is σ = 1012110000092. Its totient is φ = 1012110000090.

The previous prime is 1012110000071. The next prime is 1012110000101. The reversal of 1012110000091 is 1900000112101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012110000091 - 2⁵ = 1012110000059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012110000061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506055000045 + 506055000046.

It is an arithmetic number, because the mean of its divisors is an integer number (506055000046).

Almost surely, 2^{1012110000091} is an apocalyptic number.

1012110000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012110000091 is an equidigital number, since it uses as much as digits as its factorization.

1012110000091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1012110000091 its reverse (1900000112101), we get a palindrome (2912110112192).

The spelling of 1012110000091 in words is "one trillion, twelve billion, one hundred ten million, ninety-one", and thus it is an aban number.