221011011201200 has 60 divisors (see below), whose sum is σ = 579249768459768. Its totient is φ = 80367640435200.

The previous prime is 221011011201199. The next prime is 221011011201203. The reversal of 221011011201200 is 2102110110122.

It is not an unprimeable number, because it can be changed into a prime (221011011201203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25114883237 + ... + 25114892036.

Almost surely, 2^{221011011201200} is an apocalyptic number.

221011011201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221011011201200 is an abundant number, since it is smaller than the sum of its proper divisors (358238757258568).

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

221011011201200 is a wasteful number, since it uses less digits than its factorization.

221011011201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50229775302 (or 50229775291 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221011011201200 its reverse (2102110110122), we get a palindrome (223113121311322).

The spelling of 221011011201200 in words is "two hundred twenty-one trillion, eleven billion, eleven million, two hundred one thousand, two hundred".