2001122068 has 12 divisors (see below), whose sum is σ = 3820324032. Its totient is φ = 909600920.

The previous prime is 2001121999. The next prime is 2001122069. The reversal of 2001122068 is 8602211002.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001122069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22739980 + ... + 22740067.

It is an arithmetic number, because the mean of its divisors is an integer number (318360336).

Almost surely, 2^2001122068 is an apocalyptic number.

It is an amenable number.

2001122068 is a deficient number, since it is larger than the sum of its proper divisors (1819201964).

2001122068 is a wasteful number, since it uses less digits than its factorization.

2001122068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45480062 (or 45480060 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2001122068 is about 44733.9028925490. The cubic root of 2001122068 is about 1260.1566253605.

The spelling of 2001122068 in words is "two billion, one million, one hundred twenty-two thousand, sixty-eight".