10002211202221 has 24 divisors (see below), whose sum is σ = 11678398542720. Its totient is φ = 8541539244000.

The previous prime is 10002211202201. The next prime is 10002211202233. The reversal of 10002211202221 is 12220211220001.

It is a happy number.

10002211202221 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 10002211202221 - 2²⁵ = 10002177647789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10002211202195 and 10002211202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002211202201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30911371 + ... + 31233271.

It is an arithmetic number, because the mean of its divisors is an integer number (486599939280).

Almost surely, 2^{10002211202221} is an apocalyptic number.

It is an amenable number.

10002211202221 is a deficient number, since it is larger than the sum of its proper divisors (1676187340499).

10002211202221 is a wasteful number, since it uses less digits than its factorization.

10002211202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324265 (or 324258 counting only the distinct ones).

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

Adding to 10002211202221 its reverse (12220211220001), we get a palindrome (22222422422222).

The spelling of 10002211202221 in words is "ten trillion, two billion, two hundred eleven million, two hundred two thousand, two hundred twenty-one".