12101001122101 has 4 divisors (see below), whose sum is σ = 12116902569804. Its totient is φ = 12085099674400.

The previous prime is 12101001122029. The next prime is 12101001122141. The reversal of 12101001122101 is 10122110010121.

It is a happy number.

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 1806201602500 + 10294799519601 = 1343950^2 + 3208551^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101001122101 - 2⁷ = 12101001121973 is a prime.

It is a super-2 number, since 2×12101001122101² (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 (12101001122141) 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, 7950722710 + ... + 7950724231.

It is an arithmetic number, because the mean of its divisors is an integer number (3029225642451).

Almost surely, 2^{12101001122101} is an apocalyptic number.

It is an amenable number.

12101001122101 is a deficient number, since it is larger than the sum of its proper divisors (15901447703).

12101001122101 is an equidigital number, since it uses as much as digits as its factorization.

12101001122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15901447702.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12101001122101 its reverse (10122110010121), we get a palindrome (22223111132222).

The spelling of 12101001122101 in words is "twelve trillion, one hundred one billion, one million, one hundred twenty-two thousand, one hundred one".