10002212012221 has 16 divisors (see below), whose sum is σ = 11752388020800. Its totient is φ = 8392366379520.

The previous prime is 10002212012207. The next prime is 10002212012227. The reversal of 10002212012221 is 12221021220001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10002212012221 - 2²⁹ = 10001675141309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10002212012195 and 10002212012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002212012227) 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, 3478395 + ... + 5666008.

It is an arithmetic number, because the mean of its divisors is an integer number (734524251300).

Almost surely, 2^{10002212012221} is an apocalyptic number.

10002212012221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10002212012221 is a deficient number, since it is larger than the sum of its proper divisors (1750176008579).

10002212012221 is a wasteful number, since it uses less digits than its factorization.

10002212012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9152076.

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

Adding to 10002212012221 its reverse (12221021220001), we get a palindrome (22223233232222).

The spelling of 10002212012221 in words is "ten trillion, two billion, two hundred twelve million, twelve thousand, two hundred twenty-one".