22111000210 has 32 divisors (see below), whose sum is σ = 42892098480. Its totient is φ = 8158199808.

The previous prime is 22111000151. The next prime is 22111000229. The reversal of 22111000210 is 1200011122.

It can be written as a sum of positive squares in 8 ways, for example, as 858900249 + 21252099961 = 29307^2 + 145781^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122814 + ... + 243526.

Almost surely, 2^22111000210 is an apocalyptic number.

22111000210 is a deficient number, since it is larger than the sum of its proper divisors (20781098270).

22111000210 is a wasteful number, since it uses less digits than its factorization.

22111000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122142.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22111000210 its reverse (1200011122), we get a palindrome (23311011332).

The spelling of 22111000210 in words is "twenty-two billion, one hundred eleven million, two hundred ten", and thus it is an aban number.