102212211000221 has 48 divisors (see below), whose sum is σ = 127535859609600. Its totient is φ = 80198021299968.

The previous prime is 102212211000197. The next prime is 102212211000247. The reversal of 102212211000221 is 122000112212201.

It is not a de Polignac number, because 102212211000221 - 2⁶ = 102212211000157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 102212211000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212211002221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5934920 + ... + 15480558.

It is an arithmetic number, because the mean of its divisors is an integer number (2656997075200).

Almost surely, 2^{102212211000221} is an apocalyptic number.

It is an amenable number.

102212211000221 is a deficient number, since it is larger than the sum of its proper divisors (25323648609379).

102212211000221 is an equidigital number, since it uses as much as digits as its factorization.

102212211000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9545826 (or 9545809 counting only the distinct ones).

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

Adding to 102212211000221 its reverse (122000112212201), we get a palindrome (224212323212422).

The spelling of 102212211000221 in words is "one hundred two trillion, two hundred twelve billion, two hundred eleven million, two hundred twenty-one", and thus it is an aban number.