120022112021 has 4 divisors (see below), whose sum is σ = 137168128032. Its totient is φ = 102876096012.

The previous prime is 120022111987. The next prime is 120022112047. The reversal of 120022112021 is 120211220021.

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 120022112021 - 2²² = 120017917717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120022111987 and 120022112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022112071) 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, 8573007995 + ... + 8573008008.

It is an arithmetic number, because the mean of its divisors is an integer number (34292032008).

Almost surely, 2^120022112021 is an apocalyptic number.

It is an amenable number.

120022112021 is a deficient number, since it is larger than the sum of its proper divisors (17146016011).

120022112021 is an equidigital number, since it uses as much as digits as its factorization.

120022112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17146016010.

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

Adding to 120022112021 its reverse (120211220021), we get a palindrome (240233332042).

The spelling of 120022112021 in words is "one hundred twenty billion, twenty-two million, one hundred twelve thousand, twenty-one".