120022021 has 12 divisors (see below), whose sum is σ = 141588000. Its totient is φ = 101424120.

The previous prime is 120022013. The next prime is 120022061. The reversal of 120022021 is 120220021.

It is not a de Polignac number, because 120022021 - 2³ = 120022013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120021989 and 120022007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13771 + ... + 20728.

It is an arithmetic number, because the mean of its divisors is an integer number (11799000).

Almost surely, 2^120022021 is an apocalyptic number.

It is an amenable number.

120022021 is a deficient number, since it is larger than the sum of its proper divisors (21565979).

120022021 is an equidigital number, since it uses as much as digits as its factorization.

120022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34584 (or 34577 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 120022021 is about 10955.4562205323. The cubic root of 120022021 is about 493.2725843852.

Adding to 120022021 its reverse (120220021), we get a palindrome (240242042).

The spelling of 120022021 in words is "one hundred twenty million, twenty-two thousand, twenty-one".