22211211210 has 16 divisors (see below), whose sum is σ = 53306906976. Its totient is φ = 5922989648.

The previous prime is 22211211203. The next prime is 22211211227. The reversal of 22211211210 is 1211211222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22211211210.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 370186824 + ... + 370186883.

It is an arithmetic number, because the mean of its divisors is an integer number (3331681686).

Almost surely, 2^22211211210 is an apocalyptic number.

22211211210 is an abundant number, since it is smaller than the sum of its proper divisors (31095695766).

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

22211211210 is a wasteful number, since it uses less digits than its factorization.

22211211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740373717.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22211211210 its reverse (1211211222), we get a palindrome (23422422432).

The spelling of 22211211210 in words is "twenty-two billion, two hundred eleven million, two hundred eleven thousand, two hundred ten".