122000220021 has 8 divisors (see below), whose sum is σ = 164494679040. Its totient is φ = 80419620512.

The previous prime is 122000220011. The next prime is 122000220037. The reversal of 122000220021 is 120022000221.

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

It is a cyclic number.

It is not a de Polignac number, because 122000220021 - 2²² = 121996025717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122000219979 and 122000220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000220011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228464565 + ... + 228465098.

It is an arithmetic number, because the mean of its divisors is an integer number (20561834880).

Almost surely, 2^122000220021 is an apocalyptic number.

It is an amenable number.

122000220021 is a deficient number, since it is larger than the sum of its proper divisors (42494459019).

122000220021 is an equidigital number, since it uses as much as digits as its factorization.

122000220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456929755.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 122000220021 its reverse (120022000221), we get a palindrome (242022220242).

The spelling of 122000220021 in words is "one hundred twenty-two billion, two hundred twenty thousand, twenty-one".