2001332311122 has 48 divisors (see below), whose sum is σ = 4263068685312. Its totient is φ = 626229408000.

The previous prime is 2001332311093. The next prime is 2001332311129. The reversal of 2001332311122 is 2211132331002.

It is not an unprimeable number, because it can be changed into a prime (2001332311129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 842629 + ... + 2170872.

It is an arithmetic number, because the mean of its divisors is an integer number (88813930944).

Almost surely, 2^{2001332311122} is an apocalyptic number.

2001332311122 is an abundant number, since it is smaller than the sum of its proper divisors (2261736374190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001332311122 is a wasteful number, since it uses less digits than its factorization.

2001332311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013923 (or 3013906 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2001332311122 its reverse (2211132331002), we get a palindrome (4212464642124).

The spelling of 2001332311122 in words is "two trillion, one billion, three hundred thirty-two million, three hundred eleven thousand, one hundred twenty-two".