2121533050 has 192 divisors, whose sum is σ = 5099673600. Its totient is φ = 642470400.

The previous prime is 2121533021. The next prime is 2121533083. The reversal of 2121533050 is 503351212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23837406 + ... + 23837494.

It is an arithmetic number, because the mean of its divisors is an integer number (26560800).

Almost surely, 2^2121533050 is an apocalyptic number.

2121533050 is an abundant number, since it is smaller than the sum of its proper divisors (2978140550).

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

2121533050 is a wasteful number, since it uses less digits than its factorization.

2121533050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2121533050 is about 46060.1025834724. The cubic root of 2121533050 is about 1284.9412379070.

Adding to 2121533050 its reverse (503351212), we get a palindrome (2624884262).

The spelling of 2121533050 in words is "two billion, one hundred twenty-one million, five hundred thirty-three thousand, fifty".