1121012002291 has 2 divisors, whose sum is σ = 1121012002292. Its totient is φ = 1121012002290.

The previous prime is 1121012002289. The next prime is 1121012002343. The reversal of 1121012002291 is 1922002101211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121012002291 - 2¹ = 1121012002289 is a prime.

Together with 1121012002289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1121012002991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560506001145 + 560506001146.

It is an arithmetic number, because the mean of its divisors is an integer number (560506001146).

Almost surely, 2^{1121012002291} is an apocalyptic number.

1121012002291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121012002291 is an equidigital number, since it uses as much as digits as its factorization.

1121012002291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 1121012002291 in words is "one trillion, one hundred twenty-one billion, twelve million, two thousand, two hundred ninety-one".