22120102212 has 24 divisors (see below), whose sum is σ = 55583846976. Its totient is φ = 6806185248.

The previous prime is 22120102201. The next prime is 22120102217. The reversal of 22120102212 is 21220102122.

It is a junction number, because it is equal to n+sod(n) for n = 22120102191 and 22120102200.

It is not an unprimeable number, because it can be changed into a prime (22120102217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70897608 + ... + 70897919.

It is an arithmetic number, because the mean of its divisors is an integer number (2315993624).

Almost surely, 2^22120102212 is an apocalyptic number.

It is an amenable number.

22120102212 is an abundant number, since it is smaller than the sum of its proper divisors (33463744764).

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

22120102212 is a wasteful number, since it uses less digits than its factorization.

22120102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141795547 (or 141795545 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22120102212 its reverse (21220102122), we get a palindrome (43340204334).

The spelling of 22120102212 in words is "twenty-two billion, one hundred twenty million, one hundred two thousand, two hundred twelve".