2141121001 has 4 divisors (see below), whose sum is σ = 2253811600. Its totient is φ = 2028430404.

The previous prime is 2141120987. The next prime is 2141121007. The reversal of 2141121001 is 1001211412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2141121001 - 2²⁵ = 2107566569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141121007) 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, 56345271 + ... + 56345308.

It is an arithmetic number, because the mean of its divisors is an integer number (563452900).

Almost surely, 2^2141121001 is an apocalyptic number.

It is an amenable number.

2141121001 is a deficient number, since it is larger than the sum of its proper divisors (112690599).

2141121001 is a wasteful number, since it uses less digits than its factorization.

2141121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112690598.

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

The square root of 2141121001 is about 46272.2487134568. The cubic root of 2141121001 is about 1288.8837169302.

Adding to 2141121001 its reverse (1001211412), we get a palindrome (3142332413).

The spelling of 2141121001 in words is "two billion, one hundred forty-one million, one hundred twenty-one thousand, one".