2001101119943 has 2 divisors, whose sum is σ = 2001101119944. Its totient is φ = 2001101119942.

The previous prime is 2001101119933. The next prime is 2001101120021. The reversal of 2001101119943 is 3499111011002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001101119943 - 2⁶ = 2001101119879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001101119933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000550559971 + 1000550559972.

It is an arithmetic number, because the mean of its divisors is an integer number (1000550559972).

Almost surely, 2^{2001101119943} is an apocalyptic number.

2001101119943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001101119943 is an equidigital number, since it uses as much as digits as its factorization.

2001101119943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 2001101119943 in words is "two trillion, one billion, one hundred one million, one hundred nineteen thousand, nine hundred forty-three".