2331221300111 has 16 divisors (see below), whose sum is σ = 2581777207296. Its totient is φ = 2087322900000.

The previous prime is 2331221300047. The next prime is 2331221300117. The reversal of 2331221300111 is 1110031221332.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2331221300111 - 2⁶ = 2331221300047 is a prime.

It is a super-2 number, since 2×2331221300111² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331221300117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5280755 + ... + 5705156.

It is an arithmetic number, because the mean of its divisors is an integer number (161361075456).

Almost surely, 2^{2331221300111} is an apocalyptic number.

2331221300111 is a deficient number, since it is larger than the sum of its proper divisors (250555907185).

2331221300111 is a wasteful number, since it uses less digits than its factorization.

2331221300111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10986214.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2331221300111 its reverse (1110031221332), we get a palindrome (3441252521443).

The spelling of 2331221300111 in words is "two trillion, three hundred thirty-one billion, two hundred twenty-one million, three hundred thousand, one hundred eleven".