2121122246 has 8 divisors (see below), whose sum is σ = 3197834640. Its totient is φ = 1055177368.

The previous prime is 2121122243. The next prime is 2121122279. The reversal of 2121122246 is 6422211212.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121122243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2691386 + ... + 2692173.

It is an arithmetic number, because the mean of its divisors is an integer number (399729330).

Almost surely, 2^2121122246 is an apocalyptic number.

2121122246 is a deficient number, since it is larger than the sum of its proper divisors (1076712394).

2121122246 is a wasteful number, since it uses less digits than its factorization.

2121122246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5383758.

The product of its digits is 768, while the sum is 23.

The square root of 2121122246 is about 46055.6429333041. The cubic root of 2121122246 is about 1284.8582958297.

Adding to 2121122246 its reverse (6422211212), we get a palindrome (8543333458).

The spelling of 2121122246 in words is "two billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred forty-six".