111122102101011 has 4 divisors (see below), whose sum is σ = 148162802801352. Its totient is φ = 74081401400672.

The previous prime is 111122102100943. The next prime is 111122102101019. The reversal of 111122102101011 is 110101201221111.

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 111122102101011 - 2¹⁷ = 111122101969939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111122102101019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18520350350166 + ... + 18520350350171.

It is an arithmetic number, because the mean of its divisors is an integer number (37040700700338).

Almost surely, 2^{111122102101011} is an apocalyptic number.

111122102101011 is a deficient number, since it is larger than the sum of its proper divisors (37040700700341).

111122102101011 is an equidigital number, since it uses as much as digits as its factorization.

111122102101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37040700700340.

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

Adding to 111122102101011 its reverse (110101201221111), we get a palindrome (221223303322122).

The spelling of 111122102101011 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred two million, one hundred one thousand, eleven".