212021003102 has 4 divisors (see below), whose sum is σ = 318031504656. Its totient is φ = 106010501550.

The previous prime is 212021003099. The next prime is 212021003143. The reversal of 212021003102 is 201300120212.

It is a happy number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53005250774 + ... + 53005250777.

It is an arithmetic number, because the mean of its divisors is an integer number (79507876164).

Almost surely, 2^212021003102 is an apocalyptic number.

212021003102 is a deficient number, since it is larger than the sum of its proper divisors (106010501554).

212021003102 is a wasteful number, since it uses less digits than its factorization.

212021003102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106010501553.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 212021003102 its reverse (201300120212), we get a palindrome (413321123314).

The spelling of 212021003102 in words is "two hundred twelve billion, twenty-one million, three thousand, one hundred two".