221102012201200 has 120 divisors (see below), whose sum is σ = 574962792088608. Its totient is φ = 81223261271040.

The previous prime is 221102012201183. The next prime is 221102012201263. The reversal of 221102012201200 is 2102210201122.

It is a happy number.

221102012201200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106893412 + ... + 108942211.

Almost surely, 2^{221102012201200} is an apocalyptic number.

221102012201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221102012201200 is an abundant number, since it is smaller than the sum of its proper divisors (353860779887408).

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

221102012201200 is a wasteful number, since it uses less digits than its factorization.

221102012201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215835851 (or 215835840 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221102012201200 its reverse (2102210201122), we get a palindrome (223204222402322).

The spelling of 221102012201200 in words is "two hundred twenty-one trillion, one hundred two billion, twelve million, two hundred one thousand, two hundred".