10010112001221 has 16 divisors (see below), whose sum is σ = 13380601066560. Its totient is φ = 6656516716800.

The previous prime is 10010112001151. The next prime is 10010112001231. The reversal of 10010112001221 is 12210021101001.

It is not a de Polignac number, because 10010112001221 - 2¹⁴ = 10010111984837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10010112001197 and 10010112001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010112001231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35326935 + ... + 35609163.

It is an arithmetic number, because the mean of its divisors is an integer number (836287566660).

Almost surely, 2^{10010112001221} is an apocalyptic number.

It is an amenable number.

10010112001221 is a deficient number, since it is larger than the sum of its proper divisors (3370489065339).

10010112001221 is a wasteful number, since it uses less digits than its factorization.

10010112001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312116.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10010112001221 its reverse (12210021101001), we get a palindrome (22220133102222).

The spelling of 10010112001221 in words is "ten trillion, ten billion, one hundred twelve million, one thousand, two hundred twenty-one".