102221012011209 has 32 divisors (see below), whose sum is σ = 172281012637440. Its totient is φ = 52461511356672.

The previous prime is 102221012011207. The next prime is 102221012011211. The reversal of 102221012011209 is 902110210122201.

It is an interprime number because it is at equal distance from previous prime (102221012011207) and next prime (102221012011211).

It is not a de Polignac number, because 102221012011209 - 2¹ = 102221012011207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102221012011207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5059935054 + ... + 5059955255.

It is an arithmetic number, because the mean of its divisors is an integer number (5383781644920).

Almost surely, 2^{102221012011209} is an apocalyptic number.

It is an amenable number.

102221012011209 is a deficient number, since it is larger than the sum of its proper divisors (70060000626231).

102221012011209 is a wasteful number, since it uses less digits than its factorization.

102221012011209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10119890369.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 102221012011209 in words is "one hundred two trillion, two hundred twenty-one billion, twelve million, eleven thousand, two hundred nine".