221101102200 has 192 divisors, whose sum is σ = 780233990400. Its totient is φ = 51269785600.

The previous prime is 221101102193. The next prime is 221101102267. The reversal of 221101102200 is 2201101122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 576465 + ... + 880064.

It is an arithmetic number, because the mean of its divisors is an integer number (4063718700).

Almost surely, 2^221101102200 is an apocalyptic number.

221101102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221101102200 is an abundant number, since it is smaller than the sum of its proper divisors (559132888200).

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

221101102200 is a wasteful number, since it uses less digits than its factorization.

221101102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456582 (or 1456573 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221101102200 its reverse (2201101122), we get a palindrome (223302203322).

The spelling of 221101102200 in words is "two hundred twenty-one billion, one hundred one million, one hundred two thousand, two hundred".