2102042237 has 2 divisors, whose sum is σ = 2102042238. Its totient is φ = 2102042236.

The previous prime is 2102042221. The next prime is 2102042251. The reversal of 2102042237 is 7322402012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1930196356 + 171845881 = 43934^2 + 13109^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102042237 - 2⁴ = 2102042221 is a prime.

It is a super-2 number, since 2×2102042237² = 8837163132263928338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102042207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051021118 + 1051021119.

It is an arithmetic number, because the mean of its divisors is an integer number (1051021119).

Almost surely, 2^2102042237 is an apocalyptic number.

It is an amenable number.

2102042237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102042237 is an equidigital number, since it uses as much as digits as its factorization.

2102042237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2102042237 is about 45848.0341672356. The cubic root of 2102042237 is about 1280.9941489303.

Adding to 2102042237 its reverse (7322402012), we get a palindrome (9424444249).

The spelling of 2102042237 in words is "two billion, one hundred two million, forty-two thousand, two hundred thirty-seven".