1123211233001 has 32 divisors (see below), whose sum is σ = 1332275890176. Its totient is φ = 933489000000.

The previous prime is 1123211232973. The next prime is 1123211233019. The reversal of 1123211233001 is 1003321123211.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123211233001 is a prime.

It is a super-2 number, since 2×1123211233001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123211233021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72687326 + ... + 72702776.

It is an arithmetic number, because the mean of its divisors is an integer number (41633621568).

Almost surely, 2^{1123211233001} is an apocalyptic number.

1123211233001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1123211233001 is a deficient number, since it is larger than the sum of its proper divisors (209064657175).

1123211233001 is a wasteful number, since it uses less digits than its factorization.

1123211233001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20333.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1123211233001 its reverse (1003321123211), we get a palindrome (2126532356212).

The spelling of 1123211233001 in words is "one trillion, one hundred twenty-three billion, two hundred eleven million, two hundred thirty-three thousand, one".