2142402211 has 2 divisors, whose sum is σ = 2142402212. Its totient is φ = 2142402210.

The previous prime is 2142402193. The next prime is 2142402239. The reversal of 2142402211 is 1122042412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142402211 - 2⁵ = 2142402179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2142402011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071201105 + 1071201106.

It is an arithmetic number, because the mean of its divisors is an integer number (1071201106).

Almost surely, 2^2142402211 is an apocalyptic number.

2142402211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142402211 is an equidigital number, since it uses as much as digits as its factorization.

2142402211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2142402211 is about 46286.0909021274. The cubic root of 2142402211 is about 1289.1407476227.

Adding to 2142402211 its reverse (1122042412), we get a palindrome (3264444623).

The spelling of 2142402211 in words is "two billion, one hundred forty-two million, four hundred two thousand, two hundred eleven".