102212002221 has 12 divisors (see below), whose sum is σ = 158532901632. Its totient is φ = 58406858328.

The previous prime is 102212002169. The next prime is 102212002259. The reversal of 102212002221 is 122200212201.

It is not a de Polignac number, because 102212002221 - 2¹⁹ = 102211477933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102212002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212802221) 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, 347659725 + ... + 347660018.

It is an arithmetic number, because the mean of its divisors is an integer number (13211075136).

Almost surely, 2^102212002221 is an apocalyptic number.

It is an amenable number.

102212002221 is a deficient number, since it is larger than the sum of its proper divisors (56320899411).

102212002221 is an equidigital number, since it uses as much as digits as its factorization.

102212002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695319760 (or 695319753 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102212002221 its reverse (122200212201), we get a palindrome (224412214422).

The spelling of 102212002221 in words is "one hundred two billion, two hundred twelve million, two thousand, two hundred twenty-one".