10102220012221 has 12 divisors (see below), whose sum is σ = 10732205959200. Its totient is φ = 9507278989760.

The previous prime is 10102220012201. The next prime is 10102220012231. The reversal of 10102220012221 is 12221002220101.

It is a happy number.

10102220012221 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 10102220012221 - 2²⁹ = 10101683141309 is a prime.

It is a super-2 number, since 2×10102220012221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10102220012195 and 10102220012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102220012201) 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, 2721306 + ... + 5254516.

It is an arithmetic number, because the mean of its divisors is an integer number (894350496600).

Almost surely, 2^{10102220012221} is an apocalyptic number.

It is an amenable number.

10102220012221 is a deficient number, since it is larger than the sum of its proper divisors (629985946979).

10102220012221 is a wasteful number, since it uses less digits than its factorization.

10102220012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547044 (or 2547027 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10102220012221 its reverse (12221002220101), we get a palindrome (22323222232322).

The spelling of 10102220012221 in words is "ten trillion, one hundred two billion, two hundred twenty million, twelve thousand, two hundred twenty-one".