2130001121 has 4 divisors (see below), whose sum is σ = 2130219312. Its totient is φ = 2129782932.

The previous prime is 2130001117. The next prime is 2130001141. The reversal of 2130001121 is 1211000312.

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 2130001121 - 2² = 2130001117 is a prime.

It is a super-2 number, since 2×2130001121² = 9073809550922513282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130001141) 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, 93731 + ... + 114216.

It is an arithmetic number, because the mean of its divisors is an integer number (532554828).

Almost surely, 2^2130001121 is an apocalyptic number.

It is an amenable number.

2130001121 is a deficient number, since it is larger than the sum of its proper divisors (218191).

2130001121 is a wasteful number, since it uses less digits than its factorization.

2130001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218190.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2130001121 is about 46151.9351815284. The cubic root of 2130001121 is about 1286.6485769409.

Adding to 2130001121 its reverse (1211000312), we get a palindrome (3341001433).

The spelling of 2130001121 in words is "two billion, one hundred thirty million, one thousand, one hundred twenty-one".