212121002101102 has 4 divisors (see below), whose sum is σ = 318181503151656. Its totient is φ = 106060501050550.

The previous prime is 212121002101091. The next prime is 212121002101123. The reversal of 212121002101102 is 201101200121212.

212121002101102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×212121002101102³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 53030250525274 + ... + 53030250525277.

It is an arithmetic number, because the mean of its divisors is an integer number (79545375787914).

Almost surely, 2^{212121002101102} is an apocalyptic number.

212121002101102 is a deficient number, since it is larger than the sum of its proper divisors (106060501050554).

212121002101102 is a wasteful number, since it uses less digits than its factorization.

212121002101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106060501050553.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212121002101102 its reverse (201101200121212), we get a palindrome (413222202222314).

The spelling of 212121002101102 in words is "two hundred twelve trillion, one hundred twenty-one billion, two million, one hundred one thousand, one hundred two".