10120102011221 has 8 divisors (see below), whose sum is σ = 10652879419200. Its totient is φ = 9587338649280.

The previous prime is 10120102011179. The next prime is 10120102011223. The reversal of 10120102011221 is 12211020102101.

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 10120102011221 - 2⁶ = 10120102011157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120102011196 and 10120102011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120102011223) 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 7 ways as a sum of consecutive naturals, for example, 2016260 + ... + 4930061.

It is an arithmetic number, because the mean of its divisors is an integer number (1331609927400).

Almost surely, 2^{10120102011221} is an apocalyptic number.

It is an amenable number.

10120102011221 is a deficient number, since it is larger than the sum of its proper divisors (532777407979).

10120102011221 is an equidigital number, since it uses as much as digits as its factorization.

10120102011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7023019.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10120102011221 its reverse (12211020102101), we get a palindrome (22331122113322).

The spelling of 10120102011221 in words is "ten trillion, one hundred twenty billion, one hundred two million, eleven thousand, two hundred twenty-one".