22020221202101 has 2 divisors, whose sum is σ = 22020221202102. Its totient is φ = 22020221202100.

The previous prime is 22020221202059. The next prime is 22020221202191. The reversal of 22020221202101 is 10120212202022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16400353570225 + 5619867631876 = 4049735^2 + 2370626^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020221202101 - 2⁶ = 22020221202037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22020221202101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020221202191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010110601050 + 11010110601051.

It is an arithmetic number, because the mean of its divisors is an integer number (11010110601051).

Almost surely, 2^{22020221202101} is an apocalyptic number.

It is an amenable number.

22020221202101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020221202101 is an equidigital number, since it uses as much as digits as its factorization.

22020221202101 is an evil number, because the sum of its binary digits is even.

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

Adding to 22020221202101 its reverse (10120212202022), we get a palindrome (32140433404123).

The spelling of 22020221202101 in words is "twenty-two trillion, twenty billion, two hundred twenty-one million, two hundred two thousand, one hundred one".