120112020222021 has 6 divisors (see below), whose sum is σ = 173495140320710. Its totient is φ = 80074680148008.

The previous prime is 120112020221983. The next prime is 120112020222041. The reversal of 120112020222021 is 120222020211021.

It is a happy number.

120112020222021 is a `hidden beast` number, since 1 + 201 + 1 + 20 + 202 + 220 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 93393862402500 + 26718157819521 = 9664050^2 + 5168961^2 .

It is not a de Polignac number, because 120112020222021 - 2¹⁷ = 120112020090949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120112020221985 and 120112020222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112020222041) 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, 6672890012326 + ... + 6672890012343.

Almost surely, 2^{120112020222021} is an apocalyptic number.

It is an amenable number.

120112020222021 is a deficient number, since it is larger than the sum of its proper divisors (53383120098689).

120112020222021 is a wasteful number, since it uses less digits than its factorization.

120112020222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13345780024675 (or 13345780024672 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120112020222021 its reverse (120222020211021), we get a palindrome (240334040433042).

The spelling of 120112020222021 in words is "one hundred twenty trillion, one hundred twelve billion, twenty million, two hundred twenty-two thousand, twenty-one".