2121001102 has 8 divisors (see below), whose sum is σ = 3470729112. Its totient is φ = 964091400.

The previous prime is 2121001087. The next prime is 2121001163. The reversal of 2121001102 is 2011001212.

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

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, 48204549 + ... + 48204592.

It is an arithmetic number, because the mean of its divisors is an integer number (433841139).

Almost surely, 2^2121001102 is an apocalyptic number.

2121001102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2121001102 is a deficient number, since it is larger than the sum of its proper divisors (1349728010).

2121001102 is a wasteful number, since it uses less digits than its factorization.

2121001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96409154.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2121001102 is about 46054.3277228102. The cubic root of 2121001102 is about 1284.8338345904.

Adding to 2121001102 its reverse (2011001212), we get a palindrome (4132002314).

The spelling of 2121001102 in words is "two billion, one hundred twenty-one million, one thousand, one hundred two".