1221030103222 has 16 divisors (see below), whose sum is σ = 1894979948400. Its totient is φ = 589376299680.

The previous prime is 1221030103217. The next prime is 1221030103277. The reversal of 1221030103222 is 2223010301221.

It is a self number, because there is not a number n which added to its sum of digits gives 1221030103222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145304 + ... + 1937467.

It is an arithmetic number, because the mean of its divisors is an integer number (118436246775).

Almost surely, 2^{1221030103222} is an apocalyptic number.

1221030103222 is a deficient number, since it is larger than the sum of its proper divisors (673949845178).

1221030103222 is a wasteful number, since it uses less digits than its factorization.

1221030103222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089631.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1221030103222 its reverse (2223010301221), we get a palindrome (3444040404443).

The spelling of 1221030103222 in words is "one trillion, two hundred twenty-one billion, thirty million, one hundred three thousand, two hundred twenty-two".