221132142200 has 48 divisors (see below), whose sum is σ = 541191831000. Its totient is φ = 83797441920.

The previous prime is 221132142193. The next prime is 221132142211. The reversal of 221132142200 is 2241231122.

221132142200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221132142200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29092535 + ... + 29100134.

Almost surely, 2^221132142200 is an apocalyptic number.

221132142200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221132142200 is an abundant number, since it is smaller than the sum of its proper divisors (320059688800).

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

221132142200 is a wasteful number, since it uses less digits than its factorization.

221132142200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58192704 (or 58192695 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 221132142200 its reverse (2241231122), we get a palindrome (223373373322).

The spelling of 221132142200 in words is "two hundred twenty-one billion, one hundred thirty-two million, one hundred forty-two thousand, two hundred".