22221220102102 has 96 divisors (see below), whose sum is σ = 41916875742720. Its totient is φ = 8790060121920.

The previous prime is 22221220102091. The next prime is 22221220102139. The reversal of 22221220102102 is 20120102212222.

It is a super-3 number, since 3×22221220102102³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22221220102102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3809277 + ... + 7678087.

It is an arithmetic number, because the mean of its divisors is an integer number (436634122320).

Almost surely, 2^{22221220102102} is an apocalyptic number.

22221220102102 is a deficient number, since it is larger than the sum of its proper divisors (19695655640618).

22221220102102 is a wasteful number, since it uses less digits than its factorization.

22221220102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868946 (or 3868939 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22221220102102 its reverse (20120102212222), we get a palindrome (42341322314324).

The spelling of 22221220102102 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twenty million, one hundred two thousand, one hundred two".