11121000101291 has 2 divisors, whose sum is σ = 11121000101292. Its totient is φ = 11121000101290.

The previous prime is 11121000101287. The next prime is 11121000101297. The reversal of 11121000101291 is 19210100012111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11121000101291 - 2² = 11121000101287 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121000101297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560500050645 + 5560500050646.

It is an arithmetic number, because the mean of its divisors is an integer number (5560500050646).

Almost surely, 2^{11121000101291} is an apocalyptic number.

11121000101291 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121000101291 is an equidigital number, since it uses as much as digits as its factorization.

11121000101291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 11121000101291 in words is "eleven trillion, one hundred twenty-one billion, one hundred one thousand, two hundred ninety-one".