1111122110011 has 4 divisors (see below), whose sum is σ = 1159431766992. Its totient is φ = 1062812453032.

The previous prime is 1111122109991. The next prime is 1111122110027. The reversal of 1111122110011 is 1100112211111.

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 1111122110011 - 2²¹ = 1111120012859 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1111122109973 and 1111122110000.

It is not an unprimeable number, because it can be changed into a prime (1111122110711) 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, 24154828456 + ... + 24154828501.

It is an arithmetic number, because the mean of its divisors is an integer number (289857941748).

Almost surely, 2^{1111122110011} is an apocalyptic number.

1111122110011 is a deficient number, since it is larger than the sum of its proper divisors (48309656981).

1111122110011 is an equidigital number, since it uses as much as digits as its factorization.

1111122110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48309656980.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1111122110011 its reverse (1100112211111), we get a palindrome (2211234321122).

The spelling of 1111122110011 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, one hundred ten thousand, eleven".