1220322212103 has 8 divisors (see below), whose sum is σ = 1633100329216. Its totient is φ = 810546118200.

The previous prime is 1220322212071. The next prime is 1220322212159. The reversal of 1220322212103 is 3012122230221.

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

It is not a de Polignac number, because 1220322212103 - 2⁵ = 1220322212071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220322212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220322012103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750504853 + ... + 750506478.

It is an arithmetic number, because the mean of its divisors is an integer number (204137541152).

Almost surely, 2^{1220322212103} is an apocalyptic number.

1220322212103 is a deficient number, since it is larger than the sum of its proper divisors (412778117113).

1220322212103 is a wasteful number, since it uses less digits than its factorization.

1220322212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501011605.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1220322212103 its reverse (3012122230221), we get a palindrome (4232444442324).

The spelling of 1220322212103 in words is "one trillion, two hundred twenty billion, three hundred twenty-two million, two hundred twelve thousand, one hundred three".