2000751121 has 4 divisors (see below), whose sum is σ = 2001931812. Its totient is φ = 1999570432.

The previous prime is 2000751107. The next prime is 2000751187. The reversal of 2000751121 is 1211570002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1211570002 = 2 ⋅605785001.

It can be written as a sum of positive squares in 2 ways, for example, as 1099850896 + 900900225 = 33164^2 + 30015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000751121 - 2⁵ = 2000751089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000751721) 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, 587800 + ... + 591193.

It is an arithmetic number, because the mean of its divisors is an integer number (500482953).

Almost surely, 2^2000751121 is an apocalyptic number.

It is an amenable number.

2000751121 is a deficient number, since it is larger than the sum of its proper divisors (1180691).

2000751121 is a wasteful number, since it uses less digits than its factorization.

2000751121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180690.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 2000751121 is about 44729.7565497511. The cubic root of 2000751121 is about 1260.0787556803.

The spelling of 2000751121 in words is "two billion, seven hundred fifty-one thousand, one hundred twenty-one".