212101002102 has 16 divisors (see below), whose sum is σ = 462765822912. Its totient is φ = 64273030920.

The previous prime is 212101002037. The next prime is 212101002151. The reversal of 212101002102 is 201200101212.

212101002102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606825708 + ... + 1606825839.

It is an arithmetic number, because the mean of its divisors is an integer number (28922863932).

Almost surely, 2^212101002102 is an apocalyptic number.

212101002102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212101002102 is an abundant number, since it is smaller than the sum of its proper divisors (250664820810).

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

212101002102 is a wasteful number, since it uses less digits than its factorization.

212101002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213651563.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212101002102 its reverse (201200101212), we get a palindrome (413301103314).

The spelling of 212101002102 in words is "two hundred twelve billion, one hundred one million, two thousand, one hundred two".