10000011222221 has 8 divisors (see below), whose sum is σ = 10044013392000. Its totient is φ = 9956027062240.

The previous prime is 10000011222181. The next prime is 10000011222251. The reversal of 10000011222221 is 12222211000001.

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

It is a cyclic number.

It is not a de Polignac number, because 10000011222221 - 2¹⁸ = 10000010960077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10000011222196 and 10000011222205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000011222251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3388895 + ... + 5611116.

It is an arithmetic number, because the mean of its divisors is an integer number (1255501674000).

Almost surely, 2^{10000011222221} is an apocalyptic number.

It is an amenable number.

10000011222221 is a deficient number, since it is larger than the sum of its proper divisors (44002169779).

10000011222221 is an equidigital number, since it uses as much as digits as its factorization.

10000011222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9004899.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10000011222221 its reverse (12222211000001), we get a palindrome (22222222222222).

It can be divided in two parts, 1000001 and 1222221, that multiplied together give a palindrome (1222222222221).

The spelling of 10000011222221 in words is "ten trillion, eleven million, two hundred twenty-two thousand, two hundred twenty-one".