201222001111110 has 128 divisors (see below), whose sum is σ = 559938603893760. Its totient is φ = 45328359960576.

The previous prime is 201222001111097. The next prime is 201222001111121. The reversal of 201222001111110 is 11111100222102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201222001111110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6984307 + ... + 21242046.

It is an arithmetic number, because the mean of its divisors is an integer number (4374520342920).

Almost surely, 2^{201222001111110} is an apocalyptic number.

201222001111110 is an abundant number, since it is smaller than the sum of its proper divisors (358716602782650).

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

201222001111110 is a wasteful number, since it uses less digits than its factorization.

201222001111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28226862.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201222001111110 its reverse (11111100222102), we get a palindrome (212333101333212).

The spelling of 201222001111110 in words is "two hundred one trillion, two hundred twenty-two billion, one million, one hundred eleven thousand, one hundred ten".