221023310134121 has 8 divisors (see below), whose sum is σ = 242116821062688. Its totient is φ = 200096546328000.

The previous prime is 221023310134111. The next prime is 221023310134139. The reversal of 221023310134121 is 121431013320122.

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 221023310134121 - 2¹⁰ = 221023310133097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221023310134111) 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, 41686777835 + ... + 41686783136.

It is an arithmetic number, because the mean of its divisors is an integer number (30264602632836).

Almost surely, 2^{221023310134121} is an apocalyptic number.

It is an amenable number.

221023310134121 is a deficient number, since it is larger than the sum of its proper divisors (21093510928567).

221023310134121 is a wasteful number, since it uses less digits than its factorization.

221023310134121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83373561223.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 221023310134121 its reverse (121431013320122), we get a palindrome (342454323454243).

The spelling of 221023310134121 in words is "two hundred twenty-one trillion, twenty-three billion, three hundred ten million, one hundred thirty-four thousand, one hundred twenty-one".