201220221102 has 8 divisors (see below), whose sum is σ = 402440442216. Its totient is φ = 67073407032.

The previous prime is 201220221043. The next prime is 201220221109. The reversal of 201220221102 is 201122022102.

It is a sphenic number, since it is the product of 3 distinct primes.

201220221102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220221109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16768351753 + ... + 16768351764.

It is an arithmetic number, because the mean of its divisors is an integer number (50305055277).

Almost surely, 2^201220221102 is an apocalyptic number.

201220221102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201220221102 is a wasteful number, since it uses less digits than its factorization.

201220221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33536703522.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201220221102 its reverse (201122022102), we get a palindrome (402342243204).

The spelling of 201220221102 in words is "two hundred one billion, two hundred twenty million, two hundred twenty-one thousand, one hundred two".