22102103231 has 4 divisors (see below), whose sum is σ = 23802265032. Its totient is φ = 20401941432.

The previous prime is 22102103209. The next prime is 22102103251. The reversal of 22102103231 is 13230120122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22102103231 - 2¹⁰ = 22102102207 is a prime.

It is a super-2 number, since 2×22102103231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102103251) 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 3 ways as a sum of consecutive naturals, for example, 850080881 + ... + 850080906.

It is an arithmetic number, because the mean of its divisors is an integer number (5950566258).

Almost surely, 2^22102103231 is an apocalyptic number.

22102103231 is a deficient number, since it is larger than the sum of its proper divisors (1700161801).

22102103231 is a wasteful number, since it uses less digits than its factorization.

22102103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700161800.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22102103231 its reverse (13230120122), we get a palindrome (35332223353).

The spelling of 22102103231 in words is "twenty-two billion, one hundred two million, one hundred three thousand, two hundred thirty-one".