2001120211122 has 8 divisors (see below), whose sum is σ = 4002240422256. Its totient is φ = 667040070372.

The previous prime is 2001120211043. The next prime is 2001120211157. The reversal of 2001120211122 is 2211120211002.

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

2001120211122 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166760017588 + ... + 166760017599.

It is an arithmetic number, because the mean of its divisors is an integer number (500280052782).

Almost surely, 2^{2001120211122} is an apocalyptic number.

2001120211122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2001120211122 is a wasteful number, since it uses less digits than its factorization.

2001120211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333520035192.

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

Adding to 2001120211122 its reverse (2211120211002), we get a palindrome (4212240422124).

The spelling of 2001120211122 in words is "two trillion, one billion, one hundred twenty million, two hundred eleven thousand, one hundred twenty-two".