212101012222102 has 16 divisors (see below), whose sum is σ = 322689230911152. Its totient is φ = 104543527011840.

The previous prime is 212101012222079. The next prime is 212101012222109. The reversal of 212101012222102 is 201222210101212.

It is a self number, because there is not a number n which added to its sum of digits gives 212101012222102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101012222109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1397863899 + ... + 1398015622.

It is an arithmetic number, because the mean of its divisors is an integer number (20168076931947).

Almost surely, 2^{212101012222102} is an apocalyptic number.

212101012222102 is a deficient number, since it is larger than the sum of its proper divisors (110588218689050).

212101012222102 is a wasteful number, since it uses less digits than its factorization.

212101012222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795880063.

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

Adding to 212101012222102 its reverse (201222210101212), we get a palindrome (413323222323314).

The spelling of 212101012222102 in words is "two hundred twelve trillion, one hundred one billion, twelve million, two hundred twenty-two thousand, one hundred two".