102212210109 has 4 divisors (see below), whose sum is σ = 136282946816. Its totient is φ = 68141473404.

The previous prime is 102212210081. The next prime is 102212210123. The reversal of 102212210109 is 901012212201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102212210109 - 2²¹ = 102210112957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212210189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17035368349 + ... + 17035368354.

It is an arithmetic number, because the mean of its divisors is an integer number (34070736704).

Almost surely, 2^102212210109 is an apocalyptic number.

It is an amenable number.

102212210109 is a deficient number, since it is larger than the sum of its proper divisors (34070736707).

102212210109 is an equidigital number, since it uses as much as digits as its factorization.

102212210109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34070736706.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 102212210109 in words is "one hundred two billion, two hundred twelve million, two hundred ten thousand, one hundred nine".