1112111122011 has 32 divisors (see below), whose sum is σ = 1496776497216. Its totient is φ = 734469120000.

The previous prime is 1112111121911. The next prime is 1112111122027. The reversal of 1112111122011 is 1102211112111.

It is not a de Polignac number, because 1112111122011 - 2¹⁹ = 1112110597723 is a prime.

It is a super-2 number, since 2×1112111122011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1112111122091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112318161 + ... + 112328061.

It is an arithmetic number, because the mean of its divisors is an integer number (46774265538).

Almost surely, 2^{1112111122011} is an apocalyptic number.

1112111122011 is a deficient number, since it is larger than the sum of its proper divisors (384665375205).

1112111122011 is a wasteful number, since it uses less digits than its factorization.

1112111122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10943.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1112111122011 its reverse (1102211112111), we get a palindrome (2214322234122).

The spelling of 1112111122011 in words is "one trillion, one hundred twelve billion, one hundred eleven million, one hundred twenty-two thousand, eleven".