1123212022103 has 4 divisors (see below), whose sum is σ = 1123218771000. Its totient is φ = 1123205273208.

The previous prime is 1123212022099. The next prime is 1123212022133. The reversal of 1123212022103 is 3012202123211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1123212022103 - 2² = 1123212022099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123212022133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3118325 + ... + 3459822.

It is an arithmetic number, because the mean of its divisors is an integer number (280804692750).

Almost surely, 2^{1123212022103} is an apocalyptic number.

1123212022103 is a deficient number, since it is larger than the sum of its proper divisors (6748897).

1123212022103 is an equidigital number, since it uses as much as digits as its factorization.

1123212022103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6748896.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1123212022103 its reverse (3012202123211), we get a palindrome (4135414145314).

The spelling of 1123212022103 in words is "one trillion, one hundred twenty-three billion, two hundred twelve million, twenty-two thousand, one hundred three".