201223334421 has 24 divisors (see below), whose sum is σ = 303421799616. Its totient is φ = 128261897280.

The previous prime is 201223334399. The next prime is 201223334423. The reversal of 201223334421 is 124433322102.

201223334421 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 233 + 3 + 4 + 421 = 666.

It is not a de Polignac number, because 201223334421 - 2³⁰ = 200149592597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201223334423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285801 + ... + 695793.

It is an arithmetic number, because the mean of its divisors is an integer number (12642574984).

Almost surely, 2^201223334421 is an apocalyptic number.

It is an amenable number.

201223334421 is a deficient number, since it is larger than the sum of its proper divisors (102198465195).

201223334421 is a wasteful number, since it uses less digits than its factorization.

201223334421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412393 (or 412390 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 201223334421 its reverse (124433322102), we get a palindrome (325656656523).

The spelling of 201223334421 in words is "two hundred one billion, two hundred twenty-three million, three hundred thirty-four thousand, four hundred twenty-one".