2101223300 has 72 divisors (see below), whose sum is σ = 5236019040. Its totient is φ = 723859200.

The previous prime is 2101223287. The next prime is 2101223323. The reversal of 2101223300 is 33221012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29369 + ... + 71168.

Almost surely, 2^2101223300 is an apocalyptic number.

2101223300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101223300 is an abundant number, since it is smaller than the sum of its proper divisors (3134795740).

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

2101223300 is a wasteful number, since it uses less digits than its factorization.

2101223300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100581 (or 100574 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2101223300 is about 45839.1023036010. The cubic root of 2101223300 is about 1280.8277726716.

Adding to 2101223300 its reverse (33221012), we get a palindrome (2134444312).

The spelling of 2101223300 in words is "two billion, one hundred one million, two hundred twenty-three thousand, three hundred".