2001102222011 has 16 divisors (see below), whose sum is σ = 2129827611648. Its totient is φ = 1877075272800.

The previous prime is 2001102221917. The next prime is 2001102222059. The reversal of 2001102222011 is 1102222011002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001102222011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001102222061) 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, 5555156 + ... + 5904401.

It is an arithmetic number, because the mean of its divisors is an integer number (133114225728).

Almost surely, 2^{2001102222011} is an apocalyptic number.

2001102222011 is a deficient number, since it is larger than the sum of its proper divisors (128725389637).

2001102222011 is a wasteful number, since it uses less digits than its factorization.

2001102222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459762.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2001102222011 its reverse (1102222011002), we get a palindrome (3103324233013).

The spelling of 2001102222011 in words is "two trillion, one billion, one hundred two million, two hundred twenty-two thousand, eleven".