1022120102222 has 4 divisors (see below), whose sum is σ = 1533180153336. Its totient is φ = 511060051110.

The previous prime is 1022120102183. The next prime is 1022120102239. The reversal of 1022120102222 is 2222010212201.

It is a happy number.

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 1022120102222.

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, 255530025554 + ... + 255530025557.

It is an arithmetic number, because the mean of its divisors is an integer number (383295038334).

Almost surely, 2^{1022120102222} is an apocalyptic number.

1022120102222 is a deficient number, since it is larger than the sum of its proper divisors (511060051114).

1022120102222 is an equidigital number, since it uses as much as digits as its factorization.

1022120102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511060051113.

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

Adding to 1022120102222 its reverse (2222010212201), we get a palindrome (3244130314423).

The spelling of 1022120102222 in words is "one trillion, twenty-two billion, one hundred twenty million, one hundred two thousand, two hundred twenty-two".