122213200221 has 80 divisors (see below), whose sum is σ = 213717796864. Its totient is φ = 68141951136.

The previous prime is 122213200211. The next prime is 122213200237. The reversal of 122213200221 is 122002312221.

122213200221 is a `hidden beast` number, since 122 + 2 + 1 + 320 + 0 + 221 = 666.

It is not a de Polignac number, because 122213200221 - 2⁵ = 122213200189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122213200194 and 122213200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122213200211) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 31766520 + ... + 31770366.

Almost surely, 2^122213200221 is an apocalyptic number.

It is an amenable number.

122213200221 is a deficient number, since it is larger than the sum of its proper divisors (91504596643).

122213200221 is a wasteful number, since it uses less digits than its factorization.

122213200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212 (or 5203 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122213200221 its reverse (122002312221), we get a palindrome (244215512442).

The spelling of 122213200221 in words is "one hundred twenty-two billion, two hundred thirteen million, two hundred thousand, two hundred twenty-one".