10121202121213 has 12 divisors (see below), whose sum is σ = 10614930514240. Its totient is φ = 9648496415376.

The previous prime is 10121202121211. The next prime is 10121202121223. The reversal of 10121202121213 is 31212120212101.

10121202121213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10121202121213 - 2¹ = 10121202121211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121202121211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76102695 + ... + 76235572.

Almost surely, 2^{10121202121213} is an apocalyptic number.

It is an amenable number.

10121202121213 is a deficient number, since it is larger than the sum of its proper divisors (493728393027).

10121202121213 is an equidigital number, since it uses as much as digits as its factorization.

10121202121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152338404 (or 152338375 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 10121202121213 its reverse (31212120212101), we get a palindrome (41333322333314).

The spelling of 10121202121213 in words is "ten trillion, one hundred twenty-one billion, two hundred two million, one hundred twenty-one thousand, two hundred thirteen".