2221211312323 has 8 divisors (see below), whose sum is σ = 2222274534480. Its totient is φ = 2220148349280.

The previous prime is 2221211312297. The next prime is 2221211312329. The reversal of 2221211312323 is 3232131121222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221211312323 - 2²⁹ = 2220674441411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221211312329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18309261 + ... + 18430177.

It is an arithmetic number, because the mean of its divisors is an integer number (277784316810).

Almost surely, 2^{2221211312323} is an apocalyptic number.

2221211312323 is a deficient number, since it is larger than the sum of its proper divisors (1063222157).

2221211312323 is a wasteful number, since it uses less digits than its factorization.

2221211312323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129557.

The product of its digits is 1728, while the sum is 25.

Adding to 2221211312323 its reverse (3232131121222), we get a palindrome (5453342433545).

The spelling of 2221211312323 in words is "two trillion, two hundred twenty-one billion, two hundred eleven million, three hundred twelve thousand, three hundred twenty-three".