11421123033 has 8 divisors (see below), whose sum is σ = 15238369728. Its totient is φ = 7608979184.

The previous prime is 11421123017. The next prime is 11421123053. The reversal of 11421123033 is 33032112411.

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 11421123033 - 2⁴ = 11421123017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11421123053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270485 + ... + 1279442.

It is an arithmetic number, because the mean of its divisors is an integer number (1904796216).

Almost surely, 2^11421123033 is an apocalyptic number.

It is an amenable number.

11421123033 is a deficient number, since it is larger than the sum of its proper divisors (3817246695).

11421123033 is a wasteful number, since it uses less digits than its factorization.

11421123033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551423.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11421123033 its reverse (33032112411), we get a palindrome (44453235444).

The spelling of 11421123033 in words is "eleven billion, four hundred twenty-one million, one hundred twenty-three thousand, thirty-three".