2123521141 has 8 divisors (see below), whose sum is σ = 2440290944. Its totient is φ = 1810103760.

The previous prime is 2123521139. The next prime is 2123521217. The reversal of 2123521141 is 1411253212.

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 2123521141 - 2¹ = 2123521139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123524141) 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, 836745 + ... + 839278.

It is an arithmetic number, because the mean of its divisors is an integer number (305036368).

Almost surely, 2^2123521141 is an apocalyptic number.

It is an amenable number.

2123521141 is a deficient number, since it is larger than the sum of its proper divisors (316769803).

2123521141 is a wasteful number, since it uses less digits than its factorization.

2123521141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676211.

The product of its digits is 480, while the sum is 22.

The square root of 2123521141 is about 46081.6790167199. The cubic root of 2123521141 is about 1285.3424858881.

Adding to 2123521141 its reverse (1411253212), we get a palindrome (3534774353).

The spelling of 2123521141 in words is "two billion, one hundred twenty-three million, five hundred twenty-one thousand, one hundred forty-one".