2135221104 has 20 divisors (see below), whose sum is σ = 5515987976. Its totient is φ = 711740352.

The previous prime is 2135221093. The next prime is 2135221147. The reversal of 2135221104 is 4011225312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22241839 + ... + 22241934.

Almost surely, 2^2135221104 is an apocalyptic number.

2135221104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2135221104 is an abundant number, since it is smaller than the sum of its proper divisors (3380766872).

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

2135221104 is a wasteful number, since it uses less digits than its factorization.

2135221104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44483784 (or 44483778 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2135221104 is about 46208.4527332392. The cubic root of 2135221104 is about 1287.6987805565.

Adding to 2135221104 its reverse (4011225312), we get a palindrome (6146446416).

The spelling of 2135221104 in words is "two billion, one hundred thirty-five million, two hundred twenty-one thousand, one hundred four".