212122101112102 has 16 divisors (see below), whose sum is σ = 329606005302000. Its totient is φ = 102311564248960.

The previous prime is 212122101112099. The next prime is 212122101112109. The reversal of 212122101112102 is 201211101221212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212122101112102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212122101112109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14532885352 + ... + 14532899947.

It is an arithmetic number, because the mean of its divisors is an integer number (20600375331375).

Almost surely, 2^{212122101112102} is an apocalyptic number.

212122101112102 is a deficient number, since it is larger than the sum of its proper divisors (117483904189898).

212122101112102 is a wasteful number, since it uses less digits than its factorization.

212122101112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29065785431.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212122101112102 its reverse (201211101221212), we get a palindrome (413333202333314).

The spelling of 212122101112102 in words is "two hundred twelve trillion, one hundred twenty-two billion, one hundred one million, one hundred twelve thousand, one hundred two".