22102221210102 has 48 divisors (see below), whose sum is σ = 52243518749760. Its totient is φ = 6697398562800.

The previous prime is 22102221210079. The next prime is 22102221210137. The reversal of 22102221210102 is 20101212220122.

It is a happy number.

22102221210102 is a `hidden beast` number, since 221 + 0 + 2 + 221 + 210 + 10 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3445549 + ... + 7488407.

It is an arithmetic number, because the mean of its divisors is an integer number (1088406640620).

Almost surely, 2^{22102221210102} is an apocalyptic number.

22102221210102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22102221210102 is an abundant number, since it is smaller than the sum of its proper divisors (30141297539658).

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

22102221210102 is a wasteful number, since it uses less digits than its factorization.

22102221210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070489 (or 4070486 counting only the distinct ones).

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

Adding to 22102221210102 its reverse (20101212220122), we get a palindrome (42203433430224).

The spelling of 22102221210102 in words is "twenty-two trillion, one hundred two billion, two hundred twenty-one million, two hundred ten thousand, one hundred two".