1001011192997 has 2 divisors, whose sum is σ = 1001011192998. Its totient is φ = 1001011192996.

The previous prime is 1001011192957. The next prime is 1001011192999. The reversal of 1001011192997 is 7992911101001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 808298094916 + 192713098081 = 899054^2 + 438991^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001011192997 is a prime.

Together with 1001011192999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001011192999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500505596498 + 500505596499.

It is an arithmetic number, because the mean of its divisors is an integer number (500505596499).

Almost surely, 2^{1001011192997} is an apocalyptic number.

It is an amenable number.

1001011192997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001011192997 is an equidigital number, since it uses as much as digits as its factorization.

1001011192997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 41.

Adding to 1001011192997 its reverse (7992911101001), we get a palindrome (8993922293998).

The spelling of 1001011192997 in words is "one trillion, one billion, eleven million, one hundred ninety-two thousand, nine hundred ninety-seven".