2221132330231 has 4 divisors (see below), whose sum is σ = 2235279670072. Its totient is φ = 2206984990392.

The previous prime is 2221132330213. The next prime is 2221132330283. The reversal of 2221132330231 is 1320332311222.

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 2221132330231 - 2⁵ = 2221132330199 is a prime.

It is a super-2 number, since 2×2221132330231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221132330196 and 2221132330205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221132330531) 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, 7073669685 + ... + 7073669998.

It is an arithmetic number, because the mean of its divisors is an integer number (558819917518).

Almost surely, 2^{2221132330231} is an apocalyptic number.

2221132330231 is a deficient number, since it is larger than the sum of its proper divisors (14147339841).

2221132330231 is a wasteful number, since it uses less digits than its factorization.

2221132330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14147339840.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2221132330231 its reverse (1320332311222), we get a palindrome (3541464641453).

The spelling of 2221132330231 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-two million, three hundred thirty thousand, two hundred thirty-one".