2231202013111 has 4 divisors (see below), whose sum is σ = 2232891039424. Its totient is φ = 2229512986800.

The previous prime is 2231202013109. The next prime is 2231202013129. The reversal of 2231202013111 is 1113102021322.

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 2231202013111 - 2¹ = 2231202013109 is a prime.

It is a super-3 number, since 3×2231202013111³ (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 (2231202013171) 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 3 ways as a sum of consecutive naturals, for example, 844511175 + ... + 844513816.

It is an arithmetic number, because the mean of its divisors is an integer number (558222759856).

Almost surely, 2^{2231202013111} is an apocalyptic number.

2231202013111 is a deficient number, since it is larger than the sum of its proper divisors (1689026313).

2231202013111 is a wasteful number, since it uses less digits than its factorization.

2231202013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689026312.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2231202013111 its reverse (1113102021322), we get a palindrome (3344304034433).

The spelling of 2231202013111 in words is "two trillion, two hundred thirty-one billion, two hundred two million, thirteen thousand, one hundred eleven".