1123012211003 has 4 divisors (see below), whose sum is σ = 1128712780800. Its totient is φ = 1117311641208.

The previous prime is 1123012210939. The next prime is 1123012211051. The reversal of 1123012211003 is 3001122103211.

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 1123012211003 - 2⁶ = 1123012210939 is a prime.

It is a super-2 number, since 2×1123012211003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123012211063) 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, 2850284603 + ... + 2850284996.

It is an arithmetic number, because the mean of its divisors is an integer number (282178195200).

Almost surely, 2^{1123012211003} is an apocalyptic number.

1123012211003 is a deficient number, since it is larger than the sum of its proper divisors (5700569797).

1123012211003 is an equidigital number, since it uses as much as digits as its factorization.

1123012211003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700569796.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1123012211003 its reverse (3001122103211), we get a palindrome (4124134314214).

The spelling of 1123012211003 in words is "one trillion, one hundred twenty-three billion, twelve million, two hundred eleven thousand, three".