111120220122111 has 12 divisors (see below), whose sum is σ = 164421789124320. Its totient is φ = 72273313900320.

The previous prime is 111120220122103. The next prime is 111120220122113. The reversal of 111120220122111 is 111221022021111.

It is a happy number.

111120220122111 is a `hidden beast` number, since 111 + 120 + 2 + 201 + 221 + 11 = 666.

It is not a de Polignac number, because 111120220122111 - 2³ = 111120220122103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120220122113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150569403591 + ... + 150569404328.

It is an arithmetic number, because the mean of its divisors is an integer number (13701815760360).

Almost surely, 2^{111120220122111} is an apocalyptic number.

111120220122111 is a deficient number, since it is larger than the sum of its proper divisors (53301569002209).

111120220122111 is a wasteful number, since it uses less digits than its factorization.

111120220122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301138807966 (or 301138807963 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111120220122111 its reverse (111221022021111), we get a palindrome (222341242143222).

The spelling of 111120220122111 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred twenty million, one hundred twenty-two thousand, one hundred eleven".