201222121103 has 16 divisors (see below), whose sum is σ = 215793175680. Its totient is φ = 186955731456.

The previous prime is 201222121091. The next prime is 201222121153. The reversal of 201222121103 is 301121222102.

It is not a de Polignac number, because 201222121103 - 2²⁴ = 201205343887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222121153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11504801 + ... + 11522277.

It is an arithmetic number, because the mean of its divisors is an integer number (13487073480).

Almost surely, 2^201222121103 is an apocalyptic number.

201222121103 is a deficient number, since it is larger than the sum of its proper divisors (14571054577).

201222121103 is a wasteful number, since it uses less digits than its factorization.

201222121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26146.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201222121103 its reverse (301121222102), we get a palindrome (502343343205).

The spelling of 201222121103 in words is "two hundred one billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred three".