111121101022011 has 32 divisors (see below), whose sum is σ = 148752909692928. Its totient is φ = 73785638553600.

The previous prime is 111121101022007. The next prime is 111121101022031. The reversal of 111121101022011 is 110220101121111.

It is not a de Polignac number, because 111121101022011 - 2² = 111121101022007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111121101022031) 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, 2609864355 + ... + 2609906931.

It is an arithmetic number, because the mean of its divisors is an integer number (4648528427904).

Almost surely, 2^{111121101022011} is an apocalyptic number.

111121101022011 is a deficient number, since it is larger than the sum of its proper divisors (37631808670917).

111121101022011 is a wasteful number, since it uses less digits than its factorization.

111121101022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46171.

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

Adding to 111121101022011 its reverse (110220101121111), we get a palindrome (221341202143122).

The spelling of 111121101022011 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred one million, twenty-two thousand, eleven".