112111021021 has 8 divisors (see below), whose sum is σ = 115064849504. Its totient is φ = 109172946960.

The previous prime is 112111020949. The next prime is 112111021039. The reversal of 112111021021 is 120120111211.

It is a happy number.

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 112111021021 - 2¹³ = 112111012829 is a prime.

It is a super-2 number, since 2×112111021021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112111020992 and 112111021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111021621) 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, 3924186 + ... + 3952651.

It is an arithmetic number, because the mean of its divisors is an integer number (14383106188).

Almost surely, 2^112111021021 is an apocalyptic number.

It is an amenable number.

112111021021 is a deficient number, since it is larger than the sum of its proper divisors (2953828483).

112111021021 is an equidigital number, since it uses as much as digits as its factorization.

112111021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7877211.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112111021021 its reverse (120120111211), we get a palindrome (232231132232).

The spelling of 112111021021 in words is "one hundred twelve billion, one hundred eleven million, twenty-one thousand, twenty-one".