2231120303111 has 16 divisors (see below), whose sum is σ = 2693316814848. Its totient is φ = 1807659352800.

The previous prime is 2231120303089. The next prime is 2231120303117. The reversal of 2231120303111 is 1113030211322.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2231120303111 is a prime.

It is a super-3 number, since 3×2231120303111³ (a number of 38 digits) contains 333 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 (2231120303117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119544860 + ... + 119563521.

It is an arithmetic number, because the mean of its divisors is an integer number (168332300928).

Almost surely, 2^{2231120303111} is an apocalyptic number.

2231120303111 is a deficient number, since it is larger than the sum of its proper divisors (462196511737).

2231120303111 is a wasteful number, since it uses less digits than its factorization.

2231120303111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239108462.

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

Adding to 2231120303111 its reverse (1113030211322), we get a palindrome (3344150514433).

The spelling of 2231120303111 in words is "two trillion, two hundred thirty-one billion, one hundred twenty million, three hundred three thousand, one hundred eleven".