1000001121311 has 2 divisors, whose sum is σ = 1000001121312. Its totient is φ = 1000001121310.

The previous prime is 1000001121289. The next prime is 1000001121347. The reversal of 1000001121311 is 1131211000001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000001121311 - 2³⁰ = 998927379487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000001121292 and 1000001121301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000001121211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000560655 + 500000560656.

It is an arithmetic number, because the mean of its divisors is an integer number (500000560656).

Almost surely, 2^{1000001121311} is an apocalyptic number.

1000001121311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000001121311 is an equidigital number, since it uses as much as digits as its factorization.

1000001121311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 1000001121311 its reverse (1131211000001), we get a palindrome (2131212121312).

The spelling of 1000001121311 in words is "one trillion, one million, one hundred twenty-one thousand, three hundred eleven".