122000222021 has 4 divisors (see below), whose sum is σ = 122877921600. Its totient is φ = 121122522444.

The previous prime is 122000222009. The next prime is 122000222051. The reversal of 122000222021 is 120222000221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120222000221 = 127 ⋅946629923.

It is a cyclic number.

It is not a de Polignac number, because 122000222021 - 2⁶ = 122000221957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122000221987 and 122000222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000222051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438849581 + ... + 438849858.

It is an arithmetic number, because the mean of its divisors is an integer number (30719480400).

Almost surely, 2^122000222021 is an apocalyptic number.

It is an amenable number.

122000222021 is a deficient number, since it is larger than the sum of its proper divisors (877699579).

122000222021 is an equidigital number, since it uses as much as digits as its factorization.

122000222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877699578.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 122000222021 its reverse (120222000221), we get a palindrome (242222222242).

The spelling of 122000222021 in words is "one hundred twenty-two billion, two hundred twenty-two thousand, twenty-one".