122202120100221 has 12 divisors (see below), whose sum is σ = 201730483975072. Its totient is φ = 69829782914376.

The previous prime is 122202120100157. The next prime is 122202120100253. The reversal of 122202120100221 is 122001021202221.

It is a happy number.

122202120100221 is a `hidden beast` number, since 1 + 2 + 220 + 2 + 120 + 100 + 221 = 666.

It is not a de Polignac number, because 122202120100221 - 2⁶ = 122202120100157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122202120100194 and 122202120100203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202120100261) 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, 969858095971 + ... + 969858096096.

Almost surely, 2^{122202120100221} is an apocalyptic number.

It is an amenable number.

122202120100221 is a deficient number, since it is larger than the sum of its proper divisors (79528363874851).

122202120100221 is a wasteful number, since it uses less digits than its factorization.

122202120100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939716192080 (or 1939716192077 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122202120100221 its reverse (122001021202221), we get a palindrome (244203141302442).

The spelling of 122202120100221 in words is "one hundred twenty-two trillion, two hundred two billion, one hundred twenty million, one hundred thousand, two hundred twenty-one".