2142115229 has 2 divisors, whose sum is σ = 2142115230. Its totient is φ = 2142115228.

The previous prime is 2142115181. The next prime is 2142115253. The reversal of 2142115229 is 9225112412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1586428900 + 555686329 = 39830^2 + 23573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2142115229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142315229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071057614 + 1071057615.

It is an arithmetic number, because the mean of its divisors is an integer number (1071057615).

Almost surely, 2^2142115229 is an apocalyptic number.

It is an amenable number.

2142115229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142115229 is an equidigital number, since it uses as much as digits as its factorization.

2142115229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 2142115229 is about 46282.9907093308. The cubic root of 2142115229 is about 1289.0831834690.

The spelling of 2142115229 in words is "two billion, one hundred forty-two million, one hundred fifteen thousand, two hundred twenty-nine".