1112101323231 has 4 divisors (see below), whose sum is σ = 1482801764312. Its totient is φ = 741400882152.

The previous prime is 1112101323131. The next prime is 1112101323233. The reversal of 1112101323231 is 1323231012111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1112101323231 - 2¹¹ = 1112101321183 is a prime.

It is a super-2 number, since 2×1112101323231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112101323198 and 1112101323207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112101323233) 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, 185350220536 + ... + 185350220541.

It is an arithmetic number, because the mean of its divisors is an integer number (370700441078).

Almost surely, 2^{1112101323231} is an apocalyptic number.

1112101323231 is a deficient number, since it is larger than the sum of its proper divisors (370700441081).

1112101323231 is an equidigital number, since it uses as much as digits as its factorization.

1112101323231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370700441080.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1112101323231 its reverse (1323231012111), we get a palindrome (2435332335342).

The spelling of 1112101323231 in words is "one trillion, one hundred twelve billion, one hundred one million, three hundred twenty-three thousand, two hundred thirty-one".