212210012221102 has 16 divisors (see below), whose sum is σ = 368171587469952. Its totient is φ = 89851399322040.

The previous prime is 212210012221093. The next prime is 212210012221153. The reversal of 212210012221102 is 201122210012212.

212210012221102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212210012221102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91312396524 + ... + 91312398847.

It is an arithmetic number, because the mean of its divisors is an integer number (23010724216872).

Almost surely, 2^{212210012221102} is an apocalyptic number.

212210012221102 is a deficient number, since it is larger than the sum of its proper divisors (155961575248850).

212210012221102 is a wasteful number, since it uses less digits than its factorization.

212210012221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182624795463.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212210012221102 its reverse (201122210012212), we get a palindrome (413332222233314).

The spelling of 212210012221102 in words is "two hundred twelve trillion, two hundred ten billion, twelve million, two hundred twenty-one thousand, one hundred two".