102212221000122 has 12 divisors (see below), whose sum is σ = 221459812166970. Its totient is φ = 34070740333368.

The previous prime is 102212221000117. The next prime is 102212221000133. The reversal of 102212221000122 is 221000122212201.

It is a happy number.

102212221000122 is a `hidden beast` number, since 1 + 0 + 221 + 222 + 100 + 0 + 122 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80069728452561 + 22142492547561 = 8948169^2 + 4705581^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5678456722229 = 102212221000122 / (1 + 0 + 2 + 2 + 1 + 2 + 2 + 2 + 1 + 0 + 0 + 0 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 102212221000095 and 102212221000104.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2839228361097 + ... + 2839228361132.

Almost surely, 2^{102212221000122} is an apocalyptic number.

102212221000122 is an abundant number, since it is smaller than the sum of its proper divisors (119247591166848).

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

102212221000122 is a wasteful number, since it uses less digits than its factorization.

102212221000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678456722237 (or 5678456722234 counting only the distinct ones).

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

Adding to 102212221000122 its reverse (221000122212201), we get a palindrome (323212343212323).

The spelling of 102212221000122 in words is "one hundred two trillion, two hundred twelve billion, two hundred twenty-one million, one hundred twenty-two", and thus it is an aban number.