112321432121 has 6 divisors (see below), whose sum is σ = 117417301050. Its totient is φ = 107437891088.

The previous prime is 112321432103. The next prime is 112321432141. The reversal of 112321432121 is 121234123211.

It can be written as a sum of positive squares in only one way, i.e., 88468174096 + 23853258025 = 297436^2 + 154445^2 .

It is not a de Polignac number, because 112321432121 - 2⁶ = 112321432057 is a prime.

It is a super-2 number, since 2×112321432121² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112321432141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106163396 + ... + 106164453.

It is an arithmetic number, because the mean of its divisors is an integer number (19569550175).

Almost surely, 2^112321432121 is an apocalyptic number.

It is an amenable number.

112321432121 is a deficient number, since it is larger than the sum of its proper divisors (5095868929).

112321432121 is an equidigital number, since it uses as much as digits as its factorization.

112321432121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212327895 (or 212327872 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

Adding to 112321432121 its reverse (121234123211), we get a palindrome (233555555332).

The spelling of 112321432121 in words is "one hundred twelve billion, three hundred twenty-one million, four hundred thirty-two thousand, one hundred twenty-one".