1321022222103 has 8 divisors (see below), whose sum is σ = 1764293685616. Its totient is φ = 879216120000.

The previous prime is 1321022222081. The next prime is 1321022222153. The reversal of 1321022222103 is 3012222201231.

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

It is not a de Polignac number, because 1321022222103 - 2¹⁶ = 1321022156567 is a prime.

It is a super-2 number, since 2×1321022222103² (a number of 25 digits) contains 22 as substring.

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 1321022222103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321022222153) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 366338248 + ... + 366341853.

It is an arithmetic number, because the mean of its divisors is an integer number (220536710702).

Almost surely, 2^{1321022222103} is an apocalyptic number.

1321022222103 is a deficient number, since it is larger than the sum of its proper divisors (443271463513).

1321022222103 is an equidigital number, since it uses as much as digits as its factorization.

1321022222103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732680705.

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

Adding to 1321022222103 its reverse (3012222201231), we get a palindrome (4333244423334).

The spelling of 1321022222103 in words is "one trillion, three hundred twenty-one billion, twenty-two million, two hundred twenty-two thousand, one hundred three".