221132213299 has 4 divisors (see below), whose sum is σ = 221358552264. Its totient is φ = 220905874336.

The previous prime is 221132213287. The next prime is 221132213303. The reversal of 221132213299 is 992312231122.

It is a happy number.

221132213299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221132213299 - 2⁹ = 221132212787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221132213999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113168017 + ... + 113169970.

It is an arithmetic number, because the mean of its divisors is an integer number (55339638066).

Almost surely, 2^221132213299 is an apocalyptic number.

221132213299 is a deficient number, since it is larger than the sum of its proper divisors (226338965).

221132213299 is an equidigital number, since it uses as much as digits as its factorization.

221132213299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226338964.

The product of its digits is 23328, while the sum is 37.

The spelling of 221132213299 in words is "two hundred twenty-one billion, one hundred thirty-two million, two hundred thirteen thousand, two hundred ninety-nine".