2222121112423 has 4 divisors (see below), whose sum is σ = 2222180219160. Its totient is φ = 2222062005688.

The previous prime is 2222121112399. The next prime is 2222121112429. The reversal of 2222121112423 is 3242111212222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2222121112423 - 2²⁹ = 2221584241511 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 (2222121112429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29496940 + ... + 29572177.

It is an arithmetic number, because the mean of its divisors is an integer number (555545054790).

Almost surely, 2^{2222121112423} is an apocalyptic number.

2222121112423 is a deficient number, since it is larger than the sum of its proper divisors (59106737).

2222121112423 is an equidigital number, since it uses as much as digits as its factorization.

2222121112423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59106736.

The product of its digits is 1536, while the sum is 25.

Adding to 2222121112423 its reverse (3242111212222), we get a palindrome (5464232324645).

The spelling of 2222121112423 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred twelve thousand, four hundred twenty-three".