2122001123 has 8 divisors (see below), whose sum is σ = 2335397616. Its totient is φ = 1912019200.

The previous prime is 2122001099. The next prime is 2122001129. The reversal of 2122001123 is 3211002212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2122001123 - 2¹⁰ = 2122000099 is a prime.

It is a super-2 number, since 2×2122001123² = 9005777532026522258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122001098 and 2122001107.

It is not an unprimeable number, because it can be changed into a prime (2122001129) 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, 852338 + ... + 854823.

It is an arithmetic number, because the mean of its divisors is an integer number (291924702).

Almost surely, 2^2122001123 is an apocalyptic number.

2122001123 is a deficient number, since it is larger than the sum of its proper divisors (213396493).

2122001123 is a wasteful number, since it uses less digits than its factorization.

2122001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707285.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2122001123 is about 46065.1834143749. The cubic root of 2122001123 is about 1285.0357296509.

Adding to 2122001123 its reverse (3211002212), we get a palindrome (5333003335).

The spelling of 2122001123 in words is "two billion, one hundred twenty-two million, one thousand, one hundred twenty-three".