2121213102 has 8 divisors (see below), whose sum is σ = 4242426216. Its totient is φ = 707071032.

The previous prime is 2121213089. The next prime is 2121213113. The reversal of 2121213102 is 2013121212.

It is a sphenic number, since it is the product of 3 distinct primes.

2121213102 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 176767753 + ... + 176767764.

It is an arithmetic number, because the mean of its divisors is an integer number (530303277).

Almost surely, 2^2121213102 is an apocalyptic number.

2121213102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2121213102 is a wasteful number, since it uses less digits than its factorization.

2121213102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353535522.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2121213102 is about 46056.6292948149. The cubic root of 2121213102 is about 1284.8766407442.

Adding to 2121213102 its reverse (2013121212), we get a palindrome (4134334314).

The spelling of 2121213102 in words is "two billion, one hundred twenty-one million, two hundred thirteen thousand, one hundred two".