22133041312421 has 16 divisors (see below), whose sum is σ = 25419242116800. Its totient is φ = 19090369536768.

The previous prime is 22133041312373. The next prime is 22133041312453. The reversal of 22133041312421 is 12421314033122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22133041312421 - 2³⁴ = 22115861443237 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 (22133041312471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360219311 + ... + 360280748.

It is an arithmetic number, because the mean of its divisors is an integer number (1588702632300).

Almost surely, 2^{22133041312421} is an apocalyptic number.

It is an amenable number.

22133041312421 is a deficient number, since it is larger than the sum of its proper divisors (3286200804379).

22133041312421 is a wasteful number, since it uses less digits than its factorization.

22133041312421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720500228.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 22133041312421 its reverse (12421314033122), we get a palindrome (34554355345543).

The spelling of 22133041312421 in words is "twenty-two trillion, one hundred thirty-three billion, forty-one million, three hundred twelve thousand, four hundred twenty-one".