2121332010 has 48 divisors (see below), whose sum is σ = 5922416736. Its totient is φ = 484875552.

The previous prime is 2121332009. The next prime is 2121332027. The reversal of 2121332010 is 102331212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 720072 + ... + 723011.

It is an arithmetic number, because the mean of its divisors is an integer number (123383682).

Almost surely, 2^2121332010 is an apocalyptic number.

2121332010 is an abundant number, since it is smaller than the sum of its proper divisors (3801084726).

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

2121332010 is a wasteful number, since it uses less digits than its factorization.

2121332010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443107 (or 1443100 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2121332010 is about 46057.9201658086. The cubic root of 2121332010 is about 1284.9006489020.

Adding to 2121332010 its reverse (102331212), we get a palindrome (2223663222).

The spelling of 2121332010 in words is "two billion, one hundred twenty-one million, three hundred thirty-two thousand, ten".