22111210210 has 16 divisors (see below), whose sum is σ = 40770915192. Its totient is φ = 8628764800.

The previous prime is 22111210171. The next prime is 22111210273. The reversal of 22111210210 is 1201211122.

It can be written as a sum of positive squares in 4 ways, for example, as 11787227761 + 10323982449 = 108569^2 + 101607^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26964481 + ... + 26965300.

Almost surely, 2^22111210210 is an apocalyptic number.

22111210210 is a deficient number, since it is larger than the sum of its proper divisors (18659704982).

22111210210 is a wasteful number, since it uses less digits than its factorization.

22111210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53929829.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22111210210 its reverse (1201211122), we get a palindrome (23312421332).

The spelling of 22111210210 in words is "twenty-two billion, one hundred eleven million, two hundred ten thousand, two hundred ten".