1112031213311 has 4 divisors (see below), whose sum is σ = 1177444814112. Its totient is φ = 1046617612512.

The previous prime is 1112031213257. The next prime is 1112031213323. The reversal of 1112031213311 is 1133121302111.

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 1112031213311 - 2¹⁸ = 1112030951167 is a prime.

It is a super-2 number, since 2×1112031213311² (a number of 25 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 (1112031213331) 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, 32706800375 + ... + 32706800408.

It is an arithmetic number, because the mean of its divisors is an integer number (294361203528).

Almost surely, 2^{1112031213311} is an apocalyptic number.

1112031213311 is a deficient number, since it is larger than the sum of its proper divisors (65413600801).

1112031213311 is an equidigital number, since it uses as much as digits as its factorization.

1112031213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65413600800.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1112031213311 its reverse (1133121302111), we get a palindrome (2245152515422).

The spelling of 1112031213311 in words is "one trillion, one hundred twelve billion, thirty-one million, two hundred thirteen thousand, three hundred eleven".