2121534332 has 6 divisors (see below), whose sum is σ = 3712685088. Its totient is φ = 1060767164.

The previous prime is 2121534307. The next prime is 2121534341. The reversal of 2121534332 is 2334351212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265191788 + ... + 265191795.

It is an arithmetic number, because the mean of its divisors is an integer number (618780848).

Almost surely, 2^2121534332 is an apocalyptic number.

It is an amenable number.

2121534332 is a deficient number, since it is larger than the sum of its proper divisors (1591150756).

2121534332 is a wasteful number, since it uses less digits than its factorization.

2121534332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530383587 (or 530383585 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 2121534332 is about 46060.1165000698. The cubic root of 2121534332 is about 1284.9414967284.

Adding to 2121534332 its reverse (2334351212), we get a palindrome (4455885544).

The spelling of 2121534332 in words is "two billion, one hundred twenty-one million, five hundred thirty-four thousand, three hundred thirty-two".