2011112201001 has 16 divisors (see below), whose sum is σ = 2822703531840. Its totient is φ = 1270135664640.

The previous prime is 2011112200997. The next prime is 2011112201003. The reversal of 2011112201001 is 1001022111102.

It is not a de Polignac number, because 2011112201001 - 2² = 2011112200997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011112201003) 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, 1296481 + ... + 2388113.

It is an arithmetic number, because the mean of its divisors is an integer number (176418970740).

Almost surely, 2^{2011112201001} is an apocalyptic number.

It is an amenable number.

2011112201001 is a deficient number, since it is larger than the sum of its proper divisors (811591330839).

2011112201001 is a wasteful number, since it uses less digits than its factorization.

2011112201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123976.

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

Adding to 2011112201001 its reverse (1001022111102), we get a palindrome (3012134312103).

The spelling of 2011112201001 in words is "two trillion, eleven billion, one hundred twelve million, two hundred one thousand, one".