2121011332 has 48 divisors (see below), whose sum is σ = 4272912000. Its totient is φ = 911778560.

The previous prime is 2121011327. The next prime is 2121011339. The reversal of 2121011332 is 2331101212.

It is not an unprimeable number, because it can be changed into a prime (2121011339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78294 + ... + 101842.

It is an arithmetic number, because the mean of its divisors is an integer number (89019000).

Almost surely, 2^2121011332 is an apocalyptic number.

2121011332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2121011332 is an abundant number, since it is smaller than the sum of its proper divisors (2151900668).

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

2121011332 is a wasteful number, since it uses less digits than its factorization.

2121011332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23676 (or 23674 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2121011332 is about 46054.4387871571. The cubic root of 2121011332 is about 1284.8359002547.

Adding to 2121011332 its reverse (2331101212), we get a palindrome (4452112544).

The spelling of 2121011332 in words is "two billion, one hundred twenty-one million, eleven thousand, three hundred thirty-two".