2001202102111 has 8 divisors (see below), whose sum is σ = 2008747868400. Its totient is φ = 1993657124160.

The previous prime is 2001202101929. The next prime is 2001202102187. The reversal of 2001202102111 is 1112012021002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001202102111 - 2²⁷ = 2001067884383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001202102091 and 2001202102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001202142111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5163675 + ... + 5537683.

It is an arithmetic number, because the mean of its divisors is an integer number (251093483550).

Almost surely, 2^{2001202102111} is an apocalyptic number.

2001202102111 is a deficient number, since it is larger than the sum of its proper divisors (7545766289).

2001202102111 is a wasteful number, since it uses less digits than its factorization.

2001202102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394169.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2001202102111 its reverse (1112012021002), we get a palindrome (3113214123113).

The spelling of 2001202102111 in words is "two trillion, one billion, two hundred two million, one hundred two thousand, one hundred eleven".