111022110102011 has 4 divisors (see below), whose sum is σ = 112679156521512. Its totient is φ = 109365063682512.

The previous prime is 111022110101977. The next prime is 111022110102017. The reversal of 111022110102011 is 110201011220111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111022110102011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111022110102017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828523209650 + ... + 828523209783.

It is an arithmetic number, because the mean of its divisors is an integer number (28169789130378).

Almost surely, 2^{111022110102011} is an apocalyptic number.

111022110102011 is a deficient number, since it is larger than the sum of its proper divisors (1657046419501).

111022110102011 is an equidigital number, since it uses as much as digits as its factorization.

111022110102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657046419500.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111022110102011 its reverse (110201011220111), we get a palindrome (221223121322122).

The spelling of 111022110102011 in words is "one hundred eleven trillion, twenty-two billion, one hundred ten million, one hundred two thousand, eleven".