101212111102002 has 64 divisors (see below), whose sum is σ = 209554787819520. Its totient is φ = 32555216880000.

The previous prime is 101212111101979. The next prime is 101212111102027. The reversal of 101212111102002 is 200201111212101.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 822794502 + ... + 822917502.

It is an arithmetic number, because the mean of its divisors is an integer number (3274293559680).

Almost surely, 2^{101212111102002} is an apocalyptic number.

101212111102002 is an abundant number, since it is smaller than the sum of its proper divisors (108342676717518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101212111102002 is a wasteful number, since it uses less digits than its factorization.

101212111102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135719.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101212111102002 its reverse (200201111212101), we get a palindrome (301413222314103).

The spelling of 101212111102002 in words is "one hundred one trillion, two hundred twelve billion, one hundred eleven million, one hundred two thousand, two".