12212100110101 has 8 divisors (see below), whose sum is σ = 12324985939640. Its totient is φ = 12099229702848.

The previous prime is 12212100110087. The next prime is 12212100110141. The reversal of 12212100110101 is 10101100121221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61193895876 + 12150906214225 = 247374^2 + 3485815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12212100110101 - 2⁵ = 12212100110069 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 (12212100110141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2261526 + ... + 5434951.

It is an arithmetic number, because the mean of its divisors is an integer number (1540623242455).

Almost surely, 2^{12212100110101} is an apocalyptic number.

It is an amenable number.

12212100110101 is a deficient number, since it is larger than the sum of its proper divisors (112885829539).

12212100110101 is a wasteful number, since it uses less digits than its factorization.

12212100110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7711143.

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

Adding to 12212100110101 its reverse (10101100121221), we get a palindrome (22313200231322).

The spelling of 12212100110101 in words is "twelve trillion, two hundred twelve billion, one hundred million, one hundred ten thousand, one hundred one".