201200122222 has 16 divisors (see below), whose sum is σ = 329244192432. Its totient is φ = 91452481920.

The previous prime is 201200122159. The next prime is 201200122267. The reversal of 201200122222 is 222221002102.

It is a junction number, because it is equal to n+sod(n) for n = 201200122196 and 201200122205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1251628 + ... + 1403200.

It is an arithmetic number, because the mean of its divisors is an integer number (20577762027).

Almost surely, 2^201200122222 is an apocalyptic number.

201200122222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201200122222 is a deficient number, since it is larger than the sum of its proper divisors (128044070210).

201200122222 is a wasteful number, since it uses less digits than its factorization.

201200122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211923.

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

Adding to 201200122222 its reverse (222221002102), we get a palindrome (423421124324).

The spelling of 201200122222 in words is "two hundred one billion, two hundred million, one hundred twenty-two thousand, two hundred twenty-two".