120163026021 has 4 divisors (see below), whose sum is σ = 160217368032. Its totient is φ = 80108684012.

The previous prime is 120163026017. The next prime is 120163026037. The reversal of 120163026021 is 120620361021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120163026021 - 2² = 120163026017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120163025982 and 120163026000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120163026001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20027171001 + ... + 20027171006.

It is an arithmetic number, because the mean of its divisors is an integer number (40054342008).

Almost surely, 2^120163026021 is an apocalyptic number.

It is an amenable number.

120163026021 is a deficient number, since it is larger than the sum of its proper divisors (40054342011).

120163026021 is an equidigital number, since it uses as much as digits as its factorization.

120163026021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40054342010.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 120163026021 its reverse (120620361021), we get a palindrome (240783387042).

The spelling of 120163026021 in words is "one hundred twenty billion, one hundred sixty-three million, twenty-six thousand, twenty-one".