1001101920011 has 2 divisors, whose sum is σ = 1001101920012. Its totient is φ = 1001101920010.

The previous prime is 1001101919999. The next prime is 1001101920031. The reversal of 1001101920011 is 1100291011001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001101920011 - 2¹⁰ = 1001101918987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1001101920031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500550960005 + 500550960006.

It is an arithmetic number, because the mean of its divisors is an integer number (500550960006).

Almost surely, 2^{1001101920011} is an apocalyptic number.

1001101920011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001101920011 is an equidigital number, since it uses as much as digits as its factorization.

1001101920011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 1001101920011 its reverse (1100291011001), we get a palindrome (2101392931012).

The spelling of 1001101920011 in words is "one trillion, one billion, one hundred one million, nine hundred twenty thousand, eleven".