2133224041421 has 16 divisors (see below), whose sum is σ = 2335752936000. Its totient is φ = 1932141515520.

The previous prime is 2133224041411. The next prime is 2133224041433. The reversal of 2133224041421 is 1241404223312.

It is a cyclic number.

It is not a de Polignac number, because 2133224041421 - 2⁶ = 2133224041357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133224041411) 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, 2927291 + ... + 3582663.

It is an arithmetic number, because the mean of its divisors is an integer number (145984558500).

Almost surely, 2^{2133224041421} is an apocalyptic number.

It is an amenable number.

2133224041421 is a deficient number, since it is larger than the sum of its proper divisors (202528894579).

2133224041421 is a wasteful number, since it uses less digits than its factorization.

2133224041421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656476.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 2133224041421 its reverse (1241404223312), we get a palindrome (3374628264733).

The spelling of 2133224041421 in words is "two trillion, one hundred thirty-three billion, two hundred twenty-four million, forty-one thousand, four hundred twenty-one".