222220120102102 has 4 divisors (see below), whose sum is σ = 333330180153156. Its totient is φ = 111110060051050.

The previous prime is 222220120102027. The next prime is 222220120102111. The reversal of 222220120102102 is 201201021022222.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 222220120102102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555030025524 + ... + 55555030025527.

It is an arithmetic number, because the mean of its divisors is an integer number (83332545038289).

Almost surely, 2^{222220120102102} is an apocalyptic number.

222220120102102 is a deficient number, since it is larger than the sum of its proper divisors (111110060051054).

222220120102102 is a wasteful number, since it uses less digits than its factorization.

222220120102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111110060051053.

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

Adding to 222220120102102 its reverse (201201021022222), we get a palindrome (423421141124324).

The spelling of 222220120102102 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred twenty million, one hundred two thousand, one hundred two".