2141342021 has 32 divisors (see below), whose sum is σ = 2756221440. Its totient is φ = 1616972544.

The previous prime is 2141342017. The next prime is 2141342053. The reversal of 2141342021 is 1202431412.

It is a cyclic number.

It is not a de Polignac number, because 2141342021 - 2² = 2141342017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2141341984 and 2141342002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141342521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1282175 + ... + 1283843.

It is an arithmetic number, because the mean of its divisors is an integer number (86131920).

Almost surely, 2^2141342021 is an apocalyptic number.

It is an amenable number.

2141342021 is a deficient number, since it is larger than the sum of its proper divisors (614879419).

2141342021 is a wasteful number, since it uses less digits than its factorization.

2141342021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2141342021 is about 46274.6369083540. The cubic root of 2141342021 is about 1288.9280643037.

Adding to 2141342021 its reverse (1202431412), we get a palindrome (3343773433).

The spelling of 2141342021 in words is "two billion, one hundred forty-one million, three hundred forty-two thousand, twenty-one".