102201122100212 has 6 divisors (see below), whose sum is σ = 178851963675378. Its totient is φ = 51100561050104.

The previous prime is 102201122100193. The next prime is 102201122100221. The reversal of 102201122100212 is 212001221102201.

It can be written as a sum of positive squares in only one way, i.e., 92984093266276 + 9217028833936 = 9642826^2 + 3035956^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12775140262523 + ... + 12775140262530.

It is an arithmetic number, because the mean of its divisors is an integer number (29808660612563).

Almost surely, 2^{102201122100212} is an apocalyptic number.

It is an amenable number.

102201122100212 is a deficient number, since it is larger than the sum of its proper divisors (76650841575166).

102201122100212 is a wasteful number, since it uses less digits than its factorization.

102201122100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25550280525057 (or 25550280525055 counting only the distinct ones).

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

Adding to 102201122100212 its reverse (212001221102201), we get a palindrome (314202343202413).

The spelling of 102201122100212 in words is "one hundred two trillion, two hundred one billion, one hundred twenty-two million, one hundred thousand, two hundred twelve".