10121200021101 has 16 divisors (see below), whose sum is σ = 14533375304000. Its totient is φ = 6228272148480.

The previous prime is 10121200021019. The next prime is 10121200021117. The reversal of 10121200021101 is 10112000212101.

It is not a de Polignac number, because 10121200021101 - 2¹⁹ = 10121199496813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121200021171) 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, 1744660 + ... + 4825581.

It is an arithmetic number, because the mean of its divisors is an integer number (908335956500).

Almost surely, 2^{10121200021101} is an apocalyptic number.

It is an amenable number.

10121200021101 is a deficient number, since it is larger than the sum of its proper divisors (4412175282899).

10121200021101 is a wasteful number, since it uses less digits than its factorization.

10121200021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6609756.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10121200021101 its reverse (10112000212101), we get a palindrome (20233200233202).

The spelling of 10121200021101 in words is "ten trillion, one hundred twenty-one billion, two hundred million, twenty-one thousand, one hundred one".