221010230133 has 32 divisors (see below), whose sum is σ = 408215147520. Its totient is φ = 114810508080.

The previous prime is 221010230123. The next prime is 221010230293. The reversal of 221010230133 is 331032010122.

It is not a de Polignac number, because 221010230133 - 2⁹ = 221010229621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010230123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53150935 + ... + 53155092.

It is an arithmetic number, because the mean of its divisors is an integer number (12756723360).

Almost surely, 2^221010230133 is an apocalyptic number.

It is an amenable number.

221010230133 is a deficient number, since it is larger than the sum of its proper divisors (187204917387).

221010230133 is a wasteful number, since it uses less digits than its factorization.

221010230133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106306054 (or 106306048 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 221010230133 its reverse (331032010122), we get a palindrome (552042240255).

The spelling of 221010230133 in words is "two hundred twenty-one billion, ten million, two hundred thirty thousand, one hundred thirty-three".