120112202021 has 8 divisors (see below), whose sum is σ = 140072539200. Its totient is φ = 102953315724.

The previous prime is 120112201997. The next prime is 120112202027. The reversal of 120112202021 is 120202211021.

It is not a de Polignac number, because 120112202021 - 2¹⁰ = 120112200997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120112201987 and 120112202005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112202027) 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, 175090331 + ... + 175091016.

It is an arithmetic number, because the mean of its divisors is an integer number (17509067400).

Almost surely, 2^120112202021 is an apocalyptic number.

It is an amenable number.

120112202021 is a deficient number, since it is larger than the sum of its proper divisors (19960337179).

120112202021 is an frugal number, since it uses more digits than its factorization.

120112202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350181368 (or 350181354 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120112202021 its reverse (120202211021), we get a palindrome (240314413042).

The spelling of 120112202021 in words is "one hundred twenty billion, one hundred twelve million, two hundred two thousand, twenty-one".