2142230141 has 2 divisors, whose sum is σ = 2142230142. Its totient is φ = 2142230140.

The previous prime is 2142230137. The next prime is 2142230179. The reversal of 2142230141 is 1410322412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1950988900 + 191241241 = 44170^2 + 13829^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142230141 - 2² = 2142230137 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142230131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071115070 + 1071115071.

It is an arithmetic number, because the mean of its divisors is an integer number (1071115071).

Almost surely, 2^2142230141 is an apocalyptic number.

It is an amenable number.

2142230141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142230141 is an equidigital number, since it uses as much as digits as its factorization.

2142230141 is an evil number, because the sum of its binary digits is even.

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

The square root of 2142230141 is about 46284.2320990637. The cubic root of 2142230141 is about 1289.1062336573.

Adding to 2142230141 its reverse (1410322412), we get a palindrome (3552552553).

The spelling of 2142230141 in words is "two billion, one hundred forty-two million, two hundred thirty thousand, one hundred forty-one".