122120022021 has 8 divisors (see below), whose sum is σ = 162830706144. Its totient is φ = 81411342960.

The previous prime is 122120021971. The next prime is 122120022023. The reversal of 122120022021 is 120220021221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122120022021 - 2¹⁵ = 122119989253 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120022023) 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 7 ways as a sum of consecutive naturals, for example, 352875 + ... + 607256.

It is an arithmetic number, because the mean of its divisors is an integer number (20353838268).

Almost surely, 2^122120022021 is an apocalyptic number.

It is an amenable number.

122120022021 is a deficient number, since it is larger than the sum of its proper divisors (40710684123).

122120022021 is an equidigital number, since it uses as much as digits as its factorization.

122120022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002531.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122120022021 its reverse (120220021221), we get a palindrome (242340043242).

The spelling of 122120022021 in words is "one hundred twenty-two billion, one hundred twenty million, twenty-two thousand, twenty-one".