221231130020133 has 8 divisors (see below), whose sum is σ = 296150038593696. Its totient is φ = 146899820730000.

The previous prime is 221231130020099. The next prime is 221231130020141. The reversal of 221231130020133 is 331020031132122.

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

It is not a de Polignac number, because 221231130020133 - 2²⁹ = 221230593149221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221231130040133) 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, 146899819978 + ... + 146899821483.

It is an arithmetic number, because the mean of its divisors is an integer number (37018754824212).

Almost surely, 2^{221231130020133} is an apocalyptic number.

It is an amenable number.

221231130020133 is a deficient number, since it is larger than the sum of its proper divisors (74918908573563).

221231130020133 is a wasteful number, since it uses less digits than its factorization.

221231130020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293799641715.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 221231130020133 its reverse (331020031132122), we get a palindrome (552251161152255).

The spelling of 221231130020133 in words is "two hundred twenty-one trillion, two hundred thirty-one billion, one hundred thirty million, twenty thousand, one hundred thirty-three".