102212221000121 has 8 divisors (see below), whose sum is σ = 102479491851264. Its totient is φ = 101944952223760.

The previous prime is 102212221000117. The next prime is 102212221000133. The reversal of 102212221000121 is 121000122212201.

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 102212221000121 - 2² = 102212221000117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102212221000121.

It is not an unprimeable number, because it can be changed into a prime (102212221000921) 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, 181290026 + ... + 181852956.

It is an arithmetic number, because the mean of its divisors is an integer number (12809936481408).

Almost surely, 2^{102212221000121} is an apocalyptic number.

It is an amenable number.

102212221000121 is a deficient number, since it is larger than the sum of its proper divisors (267270851143).

102212221000121 is an equidigital number, since it uses as much as digits as its factorization.

102212221000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037391.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102212221000121 its reverse (121000122212201), we get a palindrome (223212343212322).

The spelling of 102212221000121 in words is "one hundred two trillion, two hundred twelve billion, two hundred twenty-one million, one hundred twenty-one", and thus it is an aban number.