221011144244133 has 8 divisors (see below), whose sum is σ = 298831969682496. Its totient is φ = 145265540817600.

The previous prime is 221011144244119. The next prime is 221011144244159. The reversal of 221011144244133 is 331442441110122.

221011144244133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 221011144244133 - 2¹² = 221011144240037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221011144244094 and 221011144244103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221011144244533) 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, 518805502708 + ... + 518805503133.

It is an arithmetic number, because the mean of its divisors is an integer number (37353996210312).

Almost surely, 2^{221011144244133} is an apocalyptic number.

It is an amenable number.

221011144244133 is a deficient number, since it is larger than the sum of its proper divisors (77820825438363).

221011144244133 is a wasteful number, since it uses less digits than its factorization.

221011144244133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037611005915.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 221011144244133 its reverse (331442441110122), we get a palindrome (552453585354255).

The spelling of 221011144244133 in words is "two hundred twenty-one trillion, eleven billion, one hundred forty-four million, two hundred forty-four thousand, one hundred thirty-three".