122102120220210 has 48 divisors (see below), whose sum is σ = 341885936619864. Its totient is φ = 30055906515456.

The previous prime is 122102120220151. The next prime is 122102120220239. The reversal of 122102120220210 is 12022021201221.

It is a happy number.

122102120220210 is a `hidden beast` number, since 1 + 2 + 21 + 0 + 212 + 0 + 220 + 210 = 666.

122102120220210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 93987809162361 + 28114311057849 = 9694731^2 + 5302293^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52180392087 + ... + 52180394426.

Almost surely, 2^{122102120220210} is an apocalyptic number.

122102120220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122102120220210 is an abundant number, since it is smaller than the sum of its proper divisors (219783816399654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122102120220210 is a wasteful number, since it uses less digits than its factorization.

122102120220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104360786539 (or 104360786536 counting only the distinct ones).

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

Adding to 122102120220210 its reverse (12022021201221), we get a palindrome (134124141421431).

The spelling of 122102120220210 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred twenty million, two hundred twenty thousand, two hundred ten".