221233101121 has 8 divisors (see below), whose sum is σ = 222009984000. Its totient is φ = 220457235600.

The previous prime is 221233101083. The next prime is 221233101137. The reversal of 221233101121 is 121101332122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221233101121 is a prime.

It is a super-2 number, since 2×221233101121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221233101191) 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, 182655 + ... + 689803.

It is an arithmetic number, because the mean of its divisors is an integer number (27751248000).

Almost surely, 2^221233101121 is an apocalyptic number.

It is an amenable number.

221233101121 is a deficient number, since it is larger than the sum of its proper divisors (776882879).

221233101121 is a wasteful number, since it uses less digits than its factorization.

221233101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508679.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 221233101121 its reverse (121101332122), we get a palindrome (342334433243).

The spelling of 221233101121 in words is "two hundred twenty-one billion, two hundred thirty-three million, one hundred one thousand, one hundred twenty-one".