2001322111101 has 16 divisors (see below), whose sum is σ = 2689682072448. Its totient is φ = 1323615384000.

The previous prime is 2001322111093. The next prime is 2001322111171. The reversal of 2001322111101 is 1011112231002.

It is not a de Polignac number, because 2001322111101 - 2³ = 2001322111093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001322111171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3069750 + ... + 3664151.

It is an arithmetic number, because the mean of its divisors is an integer number (168105129528).

Almost surely, 2^{2001322111101} is an apocalyptic number.

It is an amenable number.

2001322111101 is a deficient number, since it is larger than the sum of its proper divisors (688359961347).

2001322111101 is a wasteful number, since it uses less digits than its factorization.

2001322111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6734692.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2001322111101 its reverse (1011112231002), we get a palindrome (3012434342103).

The spelling of 2001322111101 in words is "two trillion, one billion, three hundred twenty-two million, one hundred eleven thousand, one hundred one".