22112020210 has 32 divisors (see below), whose sum is σ = 46063388160. Its totient is φ = 7485296832.

The previous prime is 22112020169. The next prime is 22112020211. The reversal of 22112020210 is 1202021122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22112020211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993749 + ... + 2004808.

It is an arithmetic number, because the mean of its divisors is an integer number (1439480880).

Almost surely, 2^22112020210 is an apocalyptic number.

22112020210 is an abundant number, since it is smaller than the sum of its proper divisors (23951367950).

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

22112020210 is a wasteful number, since it uses less digits than its factorization.

22112020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998650.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22112020210 its reverse (1202021122), we get a palindrome (23314041332).

The spelling of 22112020210 in words is "twenty-two billion, one hundred twelve million, twenty thousand, two hundred ten".