111132220012121 has 32 divisors (see below), whose sum is σ = 140104087188480. Its totient is φ = 85630194648000.

The previous prime is 111132220012081. The next prime is 111132220012127. The reversal of 111132220012121 is 121210022231111.

It is a cyclic number.

It is not a de Polignac number, because 111132220012121 - 2¹⁰ = 111132220011097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111132220012093 and 111132220012102.

It is not an unprimeable number, because it can be changed into a prime (111132220012127) 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, 2958191 + ... + 15199188.

It is an arithmetic number, because the mean of its divisors is an integer number (4378252724640).

Almost surely, 2^{111132220012121} is an apocalyptic number.

111132220012121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111132220012121 is a deficient number, since it is larger than the sum of its proper divisors (28971867176359).

111132220012121 is a wasteful number, since it uses less digits than its factorization.

111132220012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18158285.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 111132220012121 its reverse (121210022231111), we get a palindrome (232342242243232).

The spelling of 111132220012121 in words is "one hundred eleven trillion, one hundred thirty-two billion, two hundred twenty million, twelve thousand, one hundred twenty-one".