2121541141 has 8 divisors (see below), whose sum is σ = 2193999104. Its totient is φ = 2049334560.

The previous prime is 2121541133. The next prime is 2121541151. The reversal of 2121541141 is 1411451212.

It is a happy number.

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 2121541141 - 2³ = 2121541133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121541151) 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, 45600 + ... + 79513.

It is an arithmetic number, because the mean of its divisors is an integer number (274249888).

Almost surely, 2^2121541141 is an apocalyptic number.

It is an amenable number.

2121541141 is a deficient number, since it is larger than the sum of its proper divisors (72457963).

2121541141 is a wasteful number, since it uses less digits than its factorization.

2121541141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125691.

The product of its digits is 320, while the sum is 22.

The square root of 2121541141 is about 46060.1904142829. The cubic root of 2121541141 is about 1284.9428713871.

Adding to 2121541141 its reverse (1411451212), we get a palindrome (3532992353).

The spelling of 2121541141 in words is "two billion, one hundred twenty-one million, five hundred forty-one thousand, one hundred forty-one".