120112111021 has 8 divisors (see below), whose sum is σ = 137921559104. Its totient is φ = 102465306720.

The previous prime is 120112111019. The next prime is 120112111043. The reversal of 120112111021 is 120111211021.

It is a happy number.

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

It is not a de Polignac number, because 120112111021 - 2¹ = 120112111019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120112110992 and 120112111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112111421) 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, 40659360 + ... + 40662313.

It is an arithmetic number, because the mean of its divisors is an integer number (17240194888).

Almost surely, 2^120112111021 is an apocalyptic number.

It is an amenable number.

120112111021 is a deficient number, since it is larger than the sum of its proper divisors (17809448083).

120112111021 is an equidigital number, since it uses as much as digits as its factorization.

120112111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81321891.

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

Adding to 120112111021 its reverse (120111211021), we get a palindrome (240223322042).

The spelling of 120112111021 in words is "one hundred twenty billion, one hundred twelve million, one hundred eleven thousand, twenty-one".