2121350234 has 8 divisors (see below), whose sum is σ = 3182755188. Its totient is φ = 1060431840.

The previous prime is 2121350173. The next prime is 2121350239. The reversal of 2121350234 is 4320531212.

It can be written as a sum of positive squares in 2 ways, for example, as 2104515625 + 16834609 = 45875^2 + 4103^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2121350239) 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, 110537 + ... + 128300.

Almost surely, 2^2121350234 is an apocalyptic number.

2121350234 is a deficient number, since it is larger than the sum of its proper divisors (1061404954).

2121350234 is a wasteful number, since it uses less digits than its factorization.

2121350234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243280.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2121350234 is about 46058.1180032359. The cubic root of 2121350234 is about 1284.9043283453.

Adding to 2121350234 its reverse (4320531212), we get a palindrome (6441881446).

The spelling of 2121350234 in words is "two billion, one hundred twenty-one million, three hundred fifty thousand, two hundred thirty-four".