10120211221201 has 4 divisors (see below), whose sum is σ = 10220411332404. Its totient is φ = 10020011110000.

The previous prime is 10120211221193. The next prime is 10120211221229. The reversal of 10120211221201 is 10212211202101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8262169611201 + 1858041610000 = 2874399^2 + 1363100^2 .

It is a cyclic number.

It is not a de Polignac number, because 10120211221201 - 2³ = 10120211221193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10120211221291) 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 3 ways as a sum of consecutive naturals, for example, 50100055450 + ... + 50100055651.

It is an arithmetic number, because the mean of its divisors is an integer number (2555102833101).

Almost surely, 2^{10120211221201} is an apocalyptic number.

It is an amenable number.

10120211221201 is a deficient number, since it is larger than the sum of its proper divisors (100200111203).

10120211221201 is a wasteful number, since it uses less digits than its factorization.

10120211221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100200111202.

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

Adding to 10120211221201 its reverse (10212211202101), we get a palindrome (20332422423302).

The spelling of 10120211221201 in words is "ten trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty-one thousand, two hundred one".