111132123121 has 8 divisors (see below), whose sum is σ = 117695752704. Its totient is φ = 104571432000.

The previous prime is 111132123101. The next prime is 111132123139. The reversal of 111132123121 is 121321231111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111132123121 - 2¹⁹ = 111131598833 is a prime.

It is a super-2 number, since 2×111132123121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111132123101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656505 + ... + 808246.

It is an arithmetic number, because the mean of its divisors is an integer number (14711969088).

Almost surely, 2^111132123121 is an apocalyptic number.

It is an amenable number.

111132123121 is a deficient number, since it is larger than the sum of its proper divisors (6563629583).

111132123121 is a wasteful number, since it uses less digits than its factorization.

111132123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469231.

The product of its digits is 72, while the sum is 19.

Adding to 111132123121 its reverse (121321231111), we get a palindrome (232453354232).

The spelling of 111132123121 in words is "one hundred eleven billion, one hundred thirty-two million, one hundred twenty-three thousand, one hundred twenty-one".