2001001109057 has 2 divisors, whose sum is σ = 2001001109058. Its totient is φ = 2001001109056.

The previous prime is 2001001109039. The next prime is 2001001109111. The reversal of 2001001109057 is 7509011001002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1910521070656 + 90480038401 = 1382216^2 + 300799^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001001109057 - 2¹⁸ = 2001000846913 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001061109057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000500554528 + 1000500554529.

It is an arithmetic number, because the mean of its divisors is an integer number (1000500554529).

Almost surely, 2^{2001001109057} is an apocalyptic number.

It is an amenable number.

2001001109057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001001109057 is an equidigital number, since it uses as much as digits as its factorization.

2001001109057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 26.

The spelling of 2001001109057 in words is "two trillion, one billion, one million, one hundred nine thousand, fifty-seven".