10120112201221 has 16 divisors (see below), whose sum is σ = 11421455126400. Its totient is φ = 8882360222400.

The previous prime is 10120112201219. The next prime is 10120112201231. The reversal of 10120112201221 is 12210221102101.

It is a cyclic number.

It is not a de Polignac number, because 10120112201221 - 2¹ = 10120112201219 is a prime.

It is a super-3 number, since 3×10120112201221³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10120112201195 and 10120112201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120112201231) 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, 4883200 + ... + 6639718.

It is an arithmetic number, because the mean of its divisors is an integer number (713840945400).

Almost surely, 2^{10120112201221} is an apocalyptic number.

10120112201221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10120112201221 is a deficient number, since it is larger than the sum of its proper divisors (1301342925179).

10120112201221 is a wasteful number, since it uses less digits than its factorization.

10120112201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774620.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10120112201221 its reverse (12210221102101), we get a palindrome (22330333303322).

The spelling of 10120112201221 in words is "ten trillion, one hundred twenty billion, one hundred twelve million, two hundred one thousand, two hundred twenty-one".