2121534122 has 8 divisors (see below), whose sum is σ = 3320662176. Its totient is φ = 1014646732.

The previous prime is 2121534109. The next prime is 2121534169. The reversal of 2121534122 is 2214351212.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 23060108 + ... + 23060199.

It is an arithmetic number, because the mean of its divisors is an integer number (415082772).

Almost surely, 2^2121534122 is an apocalyptic number.

2121534122 is a deficient number, since it is larger than the sum of its proper divisors (1199128054).

2121534122 is a wasteful number, since it uses less digits than its factorization.

2121534122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46120332.

The product of its digits is 960, while the sum is 23.

The square root of 2121534122 is about 46060.1142204402. The cubic root of 2121534122 is about 1284.9414543317.

Adding to 2121534122 its reverse (2214351212), we get a palindrome (4335885334).

The spelling of 2121534122 in words is "two billion, one hundred twenty-one million, five hundred thirty-four thousand, one hundred twenty-two".