2122105242 has 8 divisors (see below), whose sum is σ = 4244210496. Its totient is φ = 707368412.

The previous prime is 2122105211. The next prime is 2122105303. The reversal of 2122105242 is 2425012212.

It is a sphenic number, since it is the product of 3 distinct primes.

2122105242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176842098 + ... + 176842109.

It is an arithmetic number, because the mean of its divisors is an integer number (530526312).

Almost surely, 2^2122105242 is an apocalyptic number.

2122105242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122105242 is a wasteful number, since it uses less digits than its factorization.

2122105242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353684212.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2122105242 is about 46066.3135273488. The cubic root of 2122105242 is about 1285.0567466751.

Adding to 2122105242 its reverse (2425012212), we get a palindrome (4547117454).

The spelling of 2122105242 in words is "two billion, one hundred twenty-two million, one hundred five thousand, two hundred forty-two".