10121021210011 has 8 divisors (see below), whose sum is σ = 10154292303744. Its totient is φ = 10087776103680.

The previous prime is 10121021210009. The next prime is 10121021210029. The reversal of 10121021210011 is 11001212012101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10121021210011 - 2¹ = 10121021210009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121021209973 and 10121021210000.

It is not an unprimeable number, because it can be changed into a prime (10121021216011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5716500 + ... + 7274641.

It is an arithmetic number, because the mean of its divisors is an integer number (1269286537968).

Almost surely, 2^{10121021210011} is an apocalyptic number.

10121021210011 is a deficient number, since it is larger than the sum of its proper divisors (33271093733).

10121021210011 is a wasteful number, since it uses less digits than its factorization.

10121021210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12993701.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10121021210011 its reverse (11001212012101), we get a palindrome (21122233222112).

The spelling of 10121021210011 in words is "ten trillion, one hundred twenty-one billion, twenty-one million, two hundred ten thousand, eleven".