23330212221121 has 4 divisors (see below), whose sum is σ = 25124843930452. Its totient is φ = 21535580511792.

The previous prime is 23330212221077. The next prime is 23330212221133. The reversal of 23330212221121 is 12112221203332.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1105484016400 + 22224728204721 = 1051420^2 + 4714311^2 .

It is a cyclic number.

It is not a de Polignac number, because 23330212221121 - 2³⁷ = 23192773267649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23330212221221) 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, 897315854646 + ... + 897315854671.

It is an arithmetic number, because the mean of its divisors is an integer number (6281210982613).

Almost surely, 2^{23330212221121} is an apocalyptic number.

It is an amenable number.

23330212221121 is a deficient number, since it is larger than the sum of its proper divisors (1794631709331).

23330212221121 is a wasteful number, since it uses less digits than its factorization.

23330212221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794631709330.

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

Adding to 23330212221121 its reverse (12112221203332), we get a palindrome (35442433424453).

The spelling of 23330212221121 in words is "twenty-three trillion, three hundred thirty billion, two hundred twelve million, two hundred twenty-one thousand, one hundred twenty-one".