2220121112323 has 4 divisors (see below), whose sum is σ = 2262010189968. Its totient is φ = 2178232034680.

The previous prime is 2220121112269. The next prime is 2220121112347. The reversal of 2220121112323 is 3232111210222.

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 2220121112323 - 2²⁹ = 2219584241411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220121112294 and 2220121112303.

It is not an unprimeable number, because it can be changed into a prime (2220121112393) 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, 20944538743 + ... + 20944538848.

It is an arithmetic number, because the mean of its divisors is an integer number (565502547492).

Almost surely, 2^{2220121112323} is an apocalyptic number.

2220121112323 is a deficient number, since it is larger than the sum of its proper divisors (41889077645).

2220121112323 is an equidigital number, since it uses as much as digits as its factorization.

2220121112323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41889077644.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2220121112323 its reverse (3232111210222), we get a palindrome (5452232322545).

The spelling of 2220121112323 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twelve thousand, three hundred twenty-three".