221133201013 has 4 divisors (see below), whose sum is σ = 232771790560. Its totient is φ = 209494611468.

The previous prime is 221133201011. The next prime is 221133201043. The reversal of 221133201013 is 310102331122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221133201013 - 2¹ = 221133201011 is a prime.

It is a super-3 number, since 3×221133201013³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 11638589527 = 221133201013 / (2 + 2 + 1 + 1 + 3 + 3 + 2 + 0 + 1 + 0 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221133201011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5819294745 + ... + 5819294782.

It is an arithmetic number, because the mean of its divisors is an integer number (58192947640).

Almost surely, 2^221133201013 is an apocalyptic number.

It is an amenable number.

221133201013 is a deficient number, since it is larger than the sum of its proper divisors (11638589547).

221133201013 is a wasteful number, since it uses less digits than its factorization.

221133201013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11638589546.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 221133201013 its reverse (310102331122), we get a palindrome (531235532135).

The spelling of 221133201013 in words is "two hundred twenty-one billion, one hundred thirty-three million, two hundred one thousand, thirteen".