1122220303123 has 4 divisors (see below), whose sum is σ = 1122222423448. Its totient is φ = 1122218182800.

The previous prime is 1122220303117. The next prime is 1122220303181. The reversal of 1122220303123 is 3213030222211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1122220303123 - 2²⁵ = 1122186748691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122220303094 and 1122220303103.

It is not an unprimeable number, because it can be changed into a prime (1122220303103) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 467815 + ... + 1569487.

It is an arithmetic number, because the mean of its divisors is an integer number (280555605862).

Almost surely, 2^{1122220303123} is an apocalyptic number.

1122220303123 is a deficient number, since it is larger than the sum of its proper divisors (2120325).

1122220303123 is a wasteful number, since it uses less digits than its factorization.

1122220303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120324.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1122220303123 its reverse (3213030222211), we get a palindrome (4335250525334).

The spelling of 1122220303123 in words is "one trillion, one hundred twenty-two billion, two hundred twenty million, three hundred three thousand, one hundred twenty-three".