20120102102222 has 8 divisors (see below), whose sum is σ = 30202230811536. Its totient is φ = 10052691831712.

The previous prime is 20120102102201. The next prime is 20120102102239. The reversal of 20120102102222 is 22220120102102.

It is a happy number.

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 20120102102222.

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, 3679606283 + ... + 3679611750.

It is an arithmetic number, because the mean of its divisors is an integer number (3775278851442).

Almost surely, 2^{20120102102222} is an apocalyptic number.

20120102102222 is a deficient number, since it is larger than the sum of its proper divisors (10082128709314).

20120102102222 is a wasteful number, since it uses less digits than its factorization.

20120102102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7359219402.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20120102102222 its reverse (22220120102102), we get a palindrome (42340222204324).

It can be divided in two parts, 20120102102 and 222, that multiplied together give a palindrome (4466662666644).

The spelling of 20120102102222 in words is "twenty trillion, one hundred twenty billion, one hundred two million, one hundred two thousand, two hundred twenty-two".