2231012122111 has 8 divisors (see below), whose sum is σ = 2364742600560. Its totient is φ = 2097558807168.

The previous prime is 2231012122057. The next prime is 2231012122121. The reversal of 2231012122111 is 1112212101322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2231012122111 - 2⁹ = 2231012121599 is a prime.

It is a super-3 number, since 3×2231012122111³ (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 (2231012122121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69274296 + ... + 69306493.

It is an arithmetic number, because the mean of its divisors is an integer number (295592825070).

Almost surely, 2^{2231012122111} is an apocalyptic number.

2231012122111 is a deficient number, since it is larger than the sum of its proper divisors (133730478449).

2231012122111 is a wasteful number, since it uses less digits than its factorization.

2231012122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138581753.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2231012122111 its reverse (1112212101322), we get a palindrome (3343224223433).

The spelling of 2231012122111 in words is "two trillion, two hundred thirty-one billion, twelve million, one hundred twenty-two thousand, one hundred eleven".