12211221210101 has 8 divisors (see below), whose sum is σ = 12799964151744. Its totient is φ = 11636331043680.

The previous prime is 12211221210073. The next prime is 12211221210151. The reversal of 12211221210101 is 10101212211221.

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 12211221210101 - 2²² = 12211217015797 is a prime.

It is a super-2 number, since 2×12211221210101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12211221210101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211221210151) 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, 3463192001 + ... + 3463195526.

It is an arithmetic number, because the mean of its divisors is an integer number (1599995518968).

Almost surely, 2^{12211221210101} is an apocalyptic number.

It is an amenable number.

12211221210101 is a deficient number, since it is larger than the sum of its proper divisors (588742941643).

12211221210101 is an equidigital number, since it uses as much as digits as its factorization.

12211221210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6926387611.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12211221210101 its reverse (10101212211221), we get a palindrome (22312433421322).

The spelling of 12211221210101 in words is "twelve trillion, two hundred eleven billion, two hundred twenty-one million, two hundred ten thousand, one hundred one".