111230011011121 has 4 divisors (see below), whose sum is σ = 113053453814644. Its totient is φ = 109406568207600.

The previous prime is 111230011011113. The next prime is 111230011011139. The reversal of 111230011011121 is 121110110032111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1467489960000 + 109762521051121 = 1211400^2 + 10476761^2 .

It is a cyclic number.

It is not a de Polignac number, because 111230011011121 - 2³ = 111230011011113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111230011011095 and 111230011011104.

It is not an unprimeable number, because it can be changed into a prime (111230011011151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911721401670 + ... + 911721401791.

It is an arithmetic number, because the mean of its divisors is an integer number (28263363453661).

Almost surely, 2^{111230011011121} is an apocalyptic number.

It is an amenable number.

111230011011121 is a deficient number, since it is larger than the sum of its proper divisors (1823442803523).

111230011011121 is an equidigital number, since it uses as much as digits as its factorization.

111230011011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823442803522.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 111230011011121 its reverse (121110110032111), we get a palindrome (232340121043232).

The spelling of 111230011011121 in words is "one hundred eleven trillion, two hundred thirty billion, eleven million, eleven thousand, one hundred twenty-one".