212120002211102 has 4 divisors (see below), whose sum is σ = 318180003316656. Its totient is φ = 106060001105550.

The previous prime is 212120002211093. The next prime is 212120002211123. The reversal of 212120002211102 is 201112200021212.

It is a semiprime because it is the product of two primes.

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, 53030000552774 + ... + 53030000552777.

It is an arithmetic number, because the mean of its divisors is an integer number (79545000829164).

Almost surely, 2^{212120002211102} is an apocalyptic number.

212120002211102 is a deficient number, since it is larger than the sum of its proper divisors (106060001105554).

212120002211102 is a wasteful number, since it uses less digits than its factorization.

212120002211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106060001105553.

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

Adding to 212120002211102 its reverse (201112200021212), we get a palindrome (413232202232314).

The spelling of 212120002211102 in words is "two hundred twelve trillion, one hundred twenty billion, two million, two hundred eleven thousand, one hundred two".