221200201011000 has 128 divisors (see below), whose sum is σ = 690150581789760. Its totient is φ = 58986211328000.

The previous prime is 221200201010963. The next prime is 221200201011047. The reversal of 221200201011000 is 110102002122.

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 31 ways as a sum of consecutive naturals, for example, 457009120 + ... + 457492880.

Almost surely, 2^{221200201011000} is an apocalyptic number.

221200201011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221200201011000 is an abundant number, since it is smaller than the sum of its proper divisors (468950380778760).

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

221200201011000 is a wasteful number, since it uses less digits than its factorization.

221200201011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636202 (or 636188 counting only the distinct ones).

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

Adding to 221200201011000 its reverse (110102002122), we get a palindrome (221310303013122).

The spelling of 221200201011000 in words is "two hundred twenty-one trillion, two hundred billion, two hundred one million, eleven thousand".