22221121210102 has 8 divisors (see below), whose sum is σ = 33543985521456. Its totient is φ = 11039792702952.

The previous prime is 22221121210081. The next prime is 22221121210181. The reversal of 22221121210102 is 20101212112222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22221121210102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35383950658 + ... + 35383951285.

It is an arithmetic number, because the mean of its divisors is an integer number (4192998190182).

Almost surely, 2^{22221121210102} is an apocalyptic number.

22221121210102 is a deficient number, since it is larger than the sum of its proper divisors (11322864311354).

22221121210102 is a wasteful number, since it uses less digits than its factorization.

22221121210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70767902102.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22221121210102 its reverse (20101212112222), we get a palindrome (42322333322324).

The spelling of 22221121210102 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred ten thousand, one hundred two".