2001010111345 has 16 divisors (see below), whose sum is σ = 2750580201600. Its totient is φ = 1368952337664.

The previous prime is 2001010111297. The next prime is 2001010111393. The reversal of 2001010111345 is 5431110101002.

It is an interprime number because it is at equal distance from previous prime (2001010111297) and next prime (2001010111393).

It is a cyclic number.

It is not a de Polignac number, because 2001010111345 - 2¹⁷ = 2001009980273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66002995 + ... + 66033304.

It is an arithmetic number, because the mean of its divisors is an integer number (171911262600).

Almost surely, 2^{2001010111345} is an apocalyptic number.

It is an amenable number.

2001010111345 is a deficient number, since it is larger than the sum of its proper divisors (749570090255).

2001010111345 is a wasteful number, since it uses less digits than its factorization.

2001010111345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132036744.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 2001010111345 its reverse (5431110101002), we get a palindrome (7432120212347).

The spelling of 2001010111345 in words is "two trillion, one billion, ten million, one hundred eleven thousand, three hundred forty-five".