2001122112201 has 8 divisors (see below), whose sum is σ = 2668171067520. Its totient is φ = 1334077282512.

The previous prime is 2001122112149. The next prime is 2001122112289. The reversal of 2001122112201 is 1022112211002.

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

It is not a de Polignac number, because 2001122112201 - 2¹¹ = 2001122110153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001122113201) 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, 373911 + ... + 2035203.

It is an arithmetic number, because the mean of its divisors is an integer number (333521383440).

Almost surely, 2^{2001122112201} is an apocalyptic number.

It is an amenable number.

2001122112201 is a deficient number, since it is larger than the sum of its proper divisors (667048955319).

2001122112201 is a wasteful number, since it uses less digits than its factorization.

2001122112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062815.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2001122112201 its reverse (1022112211002), we get a palindrome (3023234323203).

The spelling of 2001122112201 in words is "two trillion, one billion, one hundred twenty-two million, one hundred twelve thousand, two hundred one".