2001141121 has 8 divisors (see below), whose sum is σ = 2297275904. Its totient is φ = 1707570720.

The previous prime is 2001141089. The next prime is 2001141139. The reversal of 2001141121 is 1211411002.

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 2001141121 - 2⁵ = 2001141089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001141421) 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, 639420 + ... + 642541.

It is an arithmetic number, because the mean of its divisors is an integer number (287159488).

Almost surely, 2^2001141121 is an apocalyptic number.

It is an amenable number.

2001141121 is a deficient number, since it is larger than the sum of its proper divisors (296134783).

2001141121 is a wasteful number, since it uses less digits than its factorization.

2001141121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282191.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2001141121 is about 44734.1158513276. The cubic root of 2001141121 is about 1260.1606247314.

Adding to 2001141121 its reverse (1211411002), we get a palindrome (3212552123).

The spelling of 2001141121 in words is "two billion, one million, one hundred forty-one thousand, one hundred twenty-one".