22100100210 has 32 divisors (see below), whose sum is σ = 58933601280. Its totient is φ = 5893359984.

The previous prime is 22100100193. The next prime is 22100100247. The reversal of 22100100210 is 1200100122.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22100100192 and 22100100201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40925842 + ... + 40926381.

It is an arithmetic number, because the mean of its divisors is an integer number (1841675040).

Almost surely, 2^22100100210 is an apocalyptic number.

22100100210 is an abundant number, since it is smaller than the sum of its proper divisors (36833501070).

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

22100100210 is a wasteful number, since it uses less digits than its factorization.

22100100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81852239 (or 81852233 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22100100210 its reverse (1200100122), we get a palindrome (23300200332).

The spelling of 22100100210 in words is "twenty-two billion, one hundred million, one hundred thousand, two hundred ten".