221023233311100 has 144 divisors (see below), whose sum is σ = 716484553470336. Its totient is φ = 52133244192000.

The previous prime is 221023233311093. The next prime is 221023233311119. The reversal of 221023233311100 is 1113332320122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 904968946 + ... + 905213145.

Almost surely, 2^{221023233311100} is an apocalyptic number.

221023233311100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221023233311100 is an abundant number, since it is smaller than the sum of its proper divisors (495461320159236).

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

221023233311100 is a wasteful number, since it uses less digits than its factorization.

221023233311100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810182156 (or 1810182149 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 221023233311100 its reverse (1113332320122), we get a palindrome (222136565631222).

The spelling of 221023233311100 in words is "two hundred twenty-one trillion, twenty-three billion, two hundred thirty-three million, three hundred eleven thousand, one hundred".