102201221211 has 16 divisors (see below), whose sum is σ = 142978617600. Its totient is φ = 64811720160.

The previous prime is 102201221209. The next prime is 102201221279. The reversal of 102201221211 is 112122102201.

It is not a de Polignac number, because 102201221211 - 2¹ = 102201221209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102201229211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4079161 + ... + 4104138.

It is an arithmetic number, because the mean of its divisors is an integer number (8936163600).

Almost surely, 2^102201221211 is an apocalyptic number.

102201221211 is a deficient number, since it is larger than the sum of its proper divisors (40777396389).

102201221211 is a wasteful number, since it uses less digits than its factorization.

102201221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8183506.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102201221211 its reverse (112122102201), we get a palindrome (214323323412).

The spelling of 102201221211 in words is "one hundred two billion, two hundred one million, two hundred twenty-one thousand, two hundred eleven".