2102021332 has 12 divisors (see below), whose sum is σ = 3684744756. Its totient is φ = 1049237120.

The previous prime is 2102021329. The next prime is 2102021353. The reversal of 2102021332 is 2331202012.

It can be written as a sum of positive squares in 2 ways, for example, as 1444304016 + 657717316 = 38004^2 + 25646^2 .

It is a congruent number.

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, 440719 + ... + 445462.

It is an arithmetic number, because the mean of its divisors is an integer number (307062063).

Almost surely, 2^2102021332 is an apocalyptic number.

It is an amenable number.

2102021332 is a deficient number, since it is larger than the sum of its proper divisors (1582723424).

2102021332 is a wasteful number, since it uses less digits than its factorization.

2102021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886778 (or 886776 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2102021332 is about 45847.8061852473. The cubic root of 2102021332 is about 1280.9899023820.

Adding to 2102021332 its reverse (2331202012), we get a palindrome (4433223344).

The spelling of 2102021332 in words is "two billion, one hundred two million, twenty-one thousand, three hundred thirty-two".