2100021232 has 10 divisors (see below), whose sum is σ = 4068791168. Its totient is φ = 1050010608.

The previous prime is 2100021181. The next prime is 2100021281. The reversal of 2100021232 is 2321200012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65625648 + ... + 65625679.

Almost surely, 2^2100021232 is an apocalyptic number.

It is an amenable number.

2100021232 is a deficient number, since it is larger than the sum of its proper divisors (1968769936).

2100021232 is a wasteful number, since it uses less digits than its factorization.

2100021232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131251335 (or 131251329 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2100021232 is about 45825.9886090851. The cubic root of 2100021232 is about 1280.5834807280.

Adding to 2100021232 its reverse (2321200012), we get a palindrome (4421221244).

The spelling of 2100021232 in words is "two billion, one hundred million, twenty-one thousand, two hundred thirty-two".