42233402124221 has 16 divisors (see below), whose sum is σ = 55751962469760. Its totient is φ = 30973312481280.

The previous prime is 42233402124197. The next prime is 42233402124341. The reversal of 42233402124221 is 12242120433224.

It is a cyclic number.

It is not a de Polignac number, because 42233402124221 - 2⁴² = 37835355613117 is a prime.

It is a super-2 number, since 2×42233402124221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42233402124821) 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, 16131932276 + ... + 16131934893.

It is an arithmetic number, because the mean of its divisors is an integer number (3484497654360).

Almost surely, 2^{42233402124221} is an apocalyptic number.

It is an amenable number.

42233402124221 is a deficient number, since it is larger than the sum of its proper divisors (13518560345539).

42233402124221 is a wasteful number, since it uses less digits than its factorization.

42233402124221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32263867204.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 42233402124221 its reverse (12242120433224), we get a palindrome (54475522557445).

The spelling of 42233402124221 in words is "forty-two trillion, two hundred thirty-three billion, four hundred two million, one hundred twenty-four thousand, two hundred twenty-one".