22120110212 has 12 divisors (see below), whose sum is σ = 38712056460. Its totient is φ = 11059522656.

The previous prime is 22120110211. The next prime is 22120110223. The reversal of 22120110212 is 21201102122.

It can be written as a sum of positive squares in 2 ways, for example, as 152127556 + 21967982656 = 12334^2 + 148216^2 .

It is not an unprimeable number, because it can be changed into a prime (22120110211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30923 + ... + 212594.

It is an arithmetic number, because the mean of its divisors is an integer number (3226004705).

Almost surely, 2^22120110212 is an apocalyptic number.

It is an amenable number.

22120110212 is a deficient number, since it is larger than the sum of its proper divisors (16591946248).

22120110212 is a wasteful number, since it uses less digits than its factorization.

22120110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266230 (or 266228 counting only the distinct ones).

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

Adding to 22120110212 its reverse (21201102122), we get a palindrome (43321212334).

It can be divided in two parts, 2 and 2120110212, that multiplied together give a palindrome (4240220424).

The spelling of 22120110212 in words is "twenty-two billion, one hundred twenty million, one hundred ten thousand, two hundred twelve".