221030233100 has 36 divisors (see below), whose sum is σ = 482578191144. Its totient is φ = 87869681280.

The previous prime is 221030233069. The next prime is 221030233159. The reversal of 221030233100 is 1332030122.

It is a super-2 number, since 2×221030233100² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6763769 + ... + 6796368.

It is an arithmetic number, because the mean of its divisors is an integer number (13404949754).

Almost surely, 2^221030233100 is an apocalyptic number.

221030233100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221030233100 is an abundant number, since it is smaller than the sum of its proper divisors (261547958044).

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

221030233100 is a wasteful number, since it uses less digits than its factorization.

221030233100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13560314 (or 13560307 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 221030233100 its reverse (1332030122), we get a palindrome (222362263222).

The spelling of 221030233100 in words is "two hundred twenty-one billion, thirty million, two hundred thirty-three thousand, one hundred".