22221001110101 has 2 divisors, whose sum is σ = 22221001110102. Its totient is φ = 22221001110100.

The previous prime is 22221001110059. The next prime is 22221001110109. The reversal of 22221001110101 is 10101110012222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15286152882001 + 6934848228100 = 3909751^2 + 2633410^2 .

It is a cyclic number.

It is not a de Polignac number, because 22221001110101 - 2⁶ = 22221001110037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221001110109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110500555050 + 11110500555051.

It is an arithmetic number, because the mean of its divisors is an integer number (11110500555051).

Almost surely, 2^{22221001110101} is an apocalyptic number.

It is an amenable number.

22221001110101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221001110101 is an equidigital number, since it uses as much as digits as its factorization.

22221001110101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22221001110101 its reverse (10101110012222), we get a palindrome (32322111122323).

The spelling of 22221001110101 in words is "twenty-two trillion, two hundred twenty-one billion, one million, one hundred ten thousand, one hundred one".