201200221222 has 96 divisors (see below), whose sum is σ = 410863138560. Its totient is φ = 71364706560.

The previous prime is 201200221199. The next prime is 201200221223. The reversal of 201200221222 is 222122002102.

It is a junction number, because it is equal to n+sod(n) for n = 201200221196 and 201200221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201200221223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10659229 + ... + 10678087.

It is an arithmetic number, because the mean of its divisors is an integer number (4279824360).

Almost surely, 2^201200221222 is an apocalyptic number.

201200221222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201200221222 is an abundant number, since it is smaller than the sum of its proper divisors (209662917338).

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

201200221222 is a wasteful number, since it uses less digits than its factorization.

201200221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19038 (or 18965 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201200221222 its reverse (222122002102), we get a palindrome (423322223324).

The spelling of 201200221222 in words is "two hundred one billion, two hundred million, two hundred twenty-one thousand, two hundred twenty-two".