2141121131 has 4 divisors (see below), whose sum is σ = 2141280000. Its totient is φ = 2140962264.

The previous prime is 2141121109. The next prime is 2141121133. The reversal of 2141121131 is 1311211412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2141121131 - 2¹⁸ = 2140858987 is a prime.

It is a super-2 number, since 2×2141121131² = 9168799395229438322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141121133) 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, 57131 + ... + 86868.

It is an arithmetic number, because the mean of its divisors is an integer number (535320000).

Almost surely, 2^2141121131 is an apocalyptic number.

2141121131 is a deficient number, since it is larger than the sum of its proper divisors (158869).

2141121131 is a wasteful number, since it uses less digits than its factorization.

2141121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158868.

The product of its digits is 48, while the sum is 17.

The square root of 2141121131 is about 46272.2501181864. The cubic root of 2141121131 is about 1288.8837430155.

Adding to 2141121131 its reverse (1311211412), we get a palindrome (3452332543).

The spelling of 2141121131 in words is "two billion, one hundred forty-one million, one hundred twenty-one thousand, one hundred thirty-one".