10000311211221 has 8 divisors (see below), whose sum is σ = 13418676615264. Its totient is φ = 6624409974000.

The previous prime is 10000311211159. The next prime is 10000311211273. The reversal of 10000311211221 is 12211211300001.

10000311211221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10000311211221 - 2²³ = 10000302822613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10000311211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000311211291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10616041155 + ... + 10616042096.

It is an arithmetic number, because the mean of its divisors is an integer number (1677334576908).

Almost surely, 2^{10000311211221} is an apocalyptic number.

It is an amenable number.

10000311211221 is a deficient number, since it is larger than the sum of its proper divisors (3418365404043).

10000311211221 is a wasteful number, since it uses less digits than its factorization.

10000311211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21232083411.

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

Adding to 10000311211221 its reverse (12211211300001), we get a palindrome (22211522511222).

The spelling of 10000311211221 in words is "ten trillion, three hundred eleven million, two hundred eleven thousand, two hundred twenty-one".