22102110212 has 24 divisors (see below), whose sum is σ = 47604545856. Its totient is φ = 8743691808.

The previous prime is 22102110211. The next prime is 22102110223. The reversal of 22102110212 is 21201120122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (22102110211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30359678 + ... + 30360405.

It is an arithmetic number, because the mean of its divisors is an integer number (1983522744).

Almost surely, 2^22102110212 is an apocalyptic number.

It is an amenable number.

22102110212 is an abundant number, since it is smaller than the sum of its proper divisors (25502435644).

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

22102110212 is a wasteful number, since it uses less digits than its factorization.

22102110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60720107 (or 60720105 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22102110212 its reverse (21201120122), we get a palindrome (43303230334).

The spelling of 22102110212 in words is "twenty-two billion, one hundred two million, one hundred ten thousand, two hundred twelve".