2321421100 has 18 divisors (see below), whose sum is σ = 5037484004. Its totient is φ = 928568400.

The previous prime is 2321420993. The next prime is 2321421131. The reversal of 2321421100 is 11241232.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11607006 + ... + 11607205.

Almost surely, 2^2321421100 is an apocalyptic number.

2321421100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321421100 is an abundant number, since it is smaller than the sum of its proper divisors (2716062904).

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

2321421100 is a wasteful number, since it uses less digits than its factorization.

2321421100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23214225 (or 23214218 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2321421100 is about 48181.1280482307. The cubic root of 2321421100 is about 1324.0914336140.

Adding to 2321421100 its reverse (11241232), we get a palindrome (2332662332).

The spelling of 2321421100 in words is "two billion, three hundred twenty-one million, four hundred twenty-one thousand, one hundred".