12101000212101 has 4 divisors (see below), whose sum is σ = 16134666949472. Its totient is φ = 8067333474732.

The previous prime is 12101000212061. The next prime is 12101000212109. The reversal of 12101000212101 is 10121200010121.

12101000212101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12101000212101 - 2¹¹ = 12101000210053 is a prime.

It is a super-2 number, since 2×12101000212101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101000212109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2016833368681 + ... + 2016833368686.

It is an arithmetic number, because the mean of its divisors is an integer number (4033666737368).

Almost surely, 2^{12101000212101} is an apocalyptic number.

It is an amenable number.

12101000212101 is a deficient number, since it is larger than the sum of its proper divisors (4033666737371).

12101000212101 is an equidigital number, since it uses as much as digits as its factorization.

12101000212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033666737370.

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

Adding to 12101000212101 its reverse (10121200010121), we get a palindrome (22222200222222).

The spelling of 12101000212101 in words is "twelve trillion, one hundred one billion, two hundred twelve thousand, one hundred one".