1123132221001 has 8 divisors (see below), whose sum is σ = 1305335269440. Its totient is φ = 946368069648.

The previous prime is 1123132220989. The next prime is 1123132221007. The reversal of 1123132221001 is 1001222313211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123132221001 - 2¹¹ = 1123132218953 is a prime.

It is a super-2 number, since 2×1123132221001² (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 1123132221001.

It is not an unprimeable number, because it can be changed into a prime (1123132221007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1359723826 + ... + 1359724651.

It is an arithmetic number, because the mean of its divisors is an integer number (163166908680).

Almost surely, 2^{1123132221001} is an apocalyptic number.

It is an amenable number.

1123132221001 is a deficient number, since it is larger than the sum of its proper divisors (182203048439).

1123132221001 is an equidigital number, since it uses as much as digits as its factorization.

1123132221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719448543.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1123132221001 its reverse (1001222313211), we get a palindrome (2124354534212).

The spelling of 1123132221001 in words is "one trillion, one hundred twenty-three billion, one hundred thirty-two million, two hundred twenty-one thousand, one".