22102221210210 has 96 divisors (see below), whose sum is σ = 57503539828800. Its totient is φ = 5890053665664.

The previous prime is 22102221210197. The next prime is 22102221210211. The reversal of 22102221210210 is 1201212220122.

It is a happy number.

22102221210210 is a `hidden beast` number, since 2 + 21 + 0 + 2 + 221 + 210 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22102221210211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1118353789 + ... + 1118373551.

It is an arithmetic number, because the mean of its divisors is an integer number (598995206550).

Almost surely, 2^{22102221210210} is an apocalyptic number.

22102221210210 is an abundant number, since it is smaller than the sum of its proper divisors (35401318618590).

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

22102221210210 is a wasteful number, since it uses less digits than its factorization.

22102221210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27312 (or 27309 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22102221210210 its reverse (1201212220122), we get a palindrome (23303433430332).

The spelling of 22102221210210 in words is "twenty-two trillion, one hundred two billion, two hundred twenty-one million, two hundred ten thousand, two hundred ten".