22100001212101 has 8 divisors (see below), whose sum is σ = 22165807455000. Its totient is φ = 22034289588480.

The previous prime is 22100001212027. The next prime is 22100001212111. The reversal of 22100001212101 is 10121210000122.

It can be written as a sum of positive squares in 4 ways, for example, as 2861513943201 + 19238487268900 = 1691601^2 + 4386170^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22100001212101 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 (22100001212111) 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, 23186976 + ... + 24121273.

It is an arithmetic number, because the mean of its divisors is an integer number (2770725931875).

Almost surely, 2^{22100001212101} is an apocalyptic number.

It is an amenable number.

22100001212101 is a deficient number, since it is larger than the sum of its proper divisors (65806242899).

22100001212101 is an equidigital number, since it uses as much as digits as its factorization.

22100001212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47309639.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22100001212101 its reverse (10121210000122), we get a palindrome (32221211212223).

The spelling of 22100001212101 in words is "twenty-two trillion, one hundred billion, one million, two hundred twelve thousand, one hundred one".