201222222102 has 24 divisors (see below), whose sum is σ = 475616161800. Its totient is φ = 60976430880.

The previous prime is 201222222067. The next prime is 201222222109.

201222222102 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222222109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508136727 + ... + 508137122.

It is an arithmetic number, because the mean of its divisors is an integer number (19817340075).

Almost surely, 2^201222222102 is an apocalyptic number.

201222222102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201222222102 is an abundant number, since it is smaller than the sum of its proper divisors (274393939698).

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

201222222102 is a wasteful number, since it uses less digits than its factorization.

201222222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016273868 (or 1016273865 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Subtracting from 201222222102 its sum of digits (18), we obtain a square (201222222084 = 448578²).

It can be divided in two parts, 201222 and 222102, that added together give a palindrome (423324).

The spelling of 201222222102 in words is "two hundred one billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred two".