10121010216 has 16 divisors (see below), whose sum is σ = 25302525600. Its totient is φ = 3373670064.

The previous prime is 10121010191. The next prime is 10121010217. The reversal of 10121010216 is 61201012101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10121010195 and 10121010204.

It is not an unprimeable number, because it can be changed into a prime (10121010217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210854356 + ... + 210854403.

It is an arithmetic number, because the mean of its divisors is an integer number (1581407850).

Almost surely, 2^10121010216 is an apocalyptic number.

It is an amenable number.

10121010216 is an abundant number, since it is smaller than the sum of its proper divisors (15181515384).

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

10121010216 is a wasteful number, since it uses less digits than its factorization.

10121010216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421708768 (or 421708764 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 10121010216 its reverse (61201012101), we get a palindrome (71322022317).

The spelling of 10121010216 in words is "ten billion, one hundred twenty-one million, ten thousand, two hundred sixteen".