222121240423 has 12 divisors (see below), whose sum is σ = 235973683440. Its totient is φ = 209039424512.

The previous prime is 222121240421. The next prime is 222121240441. The reversal of 222121240423 is 324042121222.

It is not a de Polignac number, because 222121240423 - 2¹ = 222121240421 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 (222121240421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5798190 + ... + 5836372.

It is an arithmetic number, because the mean of its divisors is an integer number (19664473620).

Almost surely, 2^222121240423 is an apocalyptic number.

222121240423 is a deficient number, since it is larger than the sum of its proper divisors (13852443017).

222121240423 is a wasteful number, since it uses less digits than its factorization.

222121240423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58346 (or 58329 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 222121240423 its reverse (324042121222), we get a palindrome (546163361645).

The spelling of 222121240423 in words is "two hundred twenty-two billion, one hundred twenty-one million, two hundred forty thousand, four hundred twenty-three".