101222110002221 has 4 divisors (see below), whose sum is σ = 109008426156252. Its totient is φ = 93435793848192.

The previous prime is 101222110002187. The next prime is 101222110002319. The reversal of 101222110002221 is 122200011222101.

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 62556235562500 + 38665874439721 = 7909250^2 + 6218189^2 .

It is a cyclic number.

It is not a de Polignac number, because 101222110002221 - 2¹⁴ = 101222109985837 is a prime.

It is a super-2 number, since 2×101222110002221² (a number of 29 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 101222110002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222110002821) 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, 3893158076996 + ... + 3893158077021.

It is an arithmetic number, because the mean of its divisors is an integer number (27252106539063).

Almost surely, 2^{101222110002221} is an apocalyptic number.

It is an amenable number.

101222110002221 is a deficient number, since it is larger than the sum of its proper divisors (7786316154031).

101222110002221 is an equidigital number, since it uses as much as digits as its factorization.

101222110002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7786316154030.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101222110002221 its reverse (122200011222101), we get a palindrome (223422121224322).

The spelling of 101222110002221 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred ten million, two thousand, two hundred twenty-one".