201222122111022 has 16 divisors (see below), whose sum is σ = 402501175166160. Its totient is φ = 67064552212992.

The previous prime is 201222122110957. The next prime is 201222122111029. The reversal of 201222122111022 is 220111221222102.

It is a self number, because there is not a number n which added to its sum of digits gives 201222122111022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222122111029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2372076723 + ... + 2372161550.

It is an arithmetic number, because the mean of its divisors is an integer number (25156323447885).

Almost surely, 2^{201222122111022} is an apocalyptic number.

201222122111022 is an abundant number, since it is smaller than the sum of its proper divisors (201279053055138).

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

201222122111022 is a wasteful number, since it uses less digits than its factorization.

201222122111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744245347.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 201222122111022 its reverse (220111221222102), we get a palindrome (421333343333124).

The spelling of 201222122111022 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred eleven thousand, twenty-two".