1002001210291 has 2 divisors, whose sum is σ = 1002001210292. Its totient is φ = 1002001210290.

The previous prime is 1002001210163. The next prime is 1002001210361. The reversal of 1002001210291 is 1920121002001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002001210291 - 2⁷ = 1002001210163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002001210891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501000605145 + 501000605146.

It is an arithmetic number, because the mean of its divisors is an integer number (501000605146).

Almost surely, 2^{1002001210291} is an apocalyptic number.

1002001210291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002001210291 is an equidigital number, since it uses as much as digits as its factorization.

1002001210291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1002001210291 its reverse (1920121002001), we get a palindrome (2922122212292).

The spelling of 1002001210291 in words is "one trillion, two billion, one million, two hundred ten thousand, two hundred ninety-one".