22220212200101 has 4 divisors (see below), whose sum is σ = 22315577917932. Its totient is φ = 22124846482272.

The previous prime is 22220212200089. The next prime is 22220212200149. The reversal of 22220212200101 is 10100221202222.

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 4495985899876 + 17724226300225 = 2120374^2 + 4210015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22220212200101 is a prime.

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 22220212200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220212200401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47682858566 + ... + 47682859031.

It is an arithmetic number, because the mean of its divisors is an integer number (5578894479483).

Almost surely, 2^{22220212200101} is an apocalyptic number.

It is an amenable number.

22220212200101 is a deficient number, since it is larger than the sum of its proper divisors (95365717831).

22220212200101 is an equidigital number, since it uses as much as digits as its factorization.

22220212200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95365717830.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22220212200101 its reverse (10100221202222), we get a palindrome (32320433402323).

The spelling of 22220212200101 in words is "twenty-two trillion, two hundred twenty billion, two hundred twelve million, two hundred thousand, one hundred one".