2001201102111 has 16 divisors (see below), whose sum is σ = 2696769331200. Its totient is φ = 1319941996128.

The previous prime is 2001201102097. The next prime is 2001201102119. The reversal of 2001201102111 is 1112011021002.

It is not a de Polignac number, because 2001201102111 - 2¹⁷ = 2001200971039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001201102119) 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, 7178676 + ... + 7452233.

It is an arithmetic number, because the mean of its divisors is an integer number (168548083200).

Almost surely, 2^{2001201102111} is an apocalyptic number.

2001201102111 is a deficient number, since it is larger than the sum of its proper divisors (695568229089).

2001201102111 is a wasteful number, since it uses less digits than its factorization.

2001201102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14631398.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2001201102111 its reverse (1112011021002), we get a palindrome (3113212123113).

The spelling of 2001201102111 in words is "two trillion, one billion, two hundred one million, one hundred two thousand, one hundred eleven".