2221122103231 has 4 divisors (see below), whose sum is σ = 2227076854552. Its totient is φ = 2215167351912.

The previous prime is 2221122103223. The next prime is 2221122103247. The reversal of 2221122103231 is 1323012211222.

2221122103231 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 2221122103231 - 2³ = 2221122103223 is a prime.

It is a super-3 number, since 3×2221122103231³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221122103201) 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, 2977375101 + ... + 2977375846.

It is an arithmetic number, because the mean of its divisors is an integer number (556769213638).

Almost surely, 2^{2221122103231} is an apocalyptic number.

2221122103231 is a deficient number, since it is larger than the sum of its proper divisors (5954751321).

2221122103231 is an equidigital number, since it uses as much as digits as its factorization.

2221122103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954751320.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2221122103231 its reverse (1323012211222), we get a palindrome (3544134314453).

The spelling of 2221122103231 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred three thousand, two hundred thirty-one".