2121101006 has 8 divisors (see below), whose sum is σ = 3291363720. Its totient is φ = 1023979768.

The previous prime is 2121100997. The next prime is 2121101029. The reversal of 2121101006 is 6001011212.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18285296 + ... + 18285411.

It is an arithmetic number, because the mean of its divisors is an integer number (411420465).

Almost surely, 2^2121101006 is an apocalyptic number.

2121101006 is a deficient number, since it is larger than the sum of its proper divisors (1170262714).

2121101006 is a wasteful number, since it uses less digits than its factorization.

2121101006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36570738.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2121101006 is about 46055.4123420907. The cubic root of 2121101006 is about 1284.8540071438.

Adding to 2121101006 its reverse (6001011212), we get a palindrome (8122112218).

The spelling of 2121101006 in words is "two billion, one hundred twenty-one million, one hundred one thousand, six".