22110221100101 has 2 divisors, whose sum is σ = 22110221100102. Its totient is φ = 22110221100100.

The previous prime is 22110221099983. The next prime is 22110221100137. The reversal of 22110221100101 is 10100112201122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15646779271201 + 6463441828900 = 3955601^2 + 2542330^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110221100101 - 2³⁴ = 22093041230917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22110221100701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055110550050 + 11055110550051.

It is an arithmetic number, because the mean of its divisors is an integer number (11055110550051).

Almost surely, 2^{22110221100101} is an apocalyptic number.

It is an amenable number.

22110221100101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110221100101 is an equidigital number, since it uses as much as digits as its factorization.

22110221100101 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22110221100101 its reverse (10100112201122), we get a palindrome (32210333301223).

The spelling of 22110221100101 in words is "twenty-two trillion, one hundred ten billion, two hundred twenty-one million, one hundred thousand, one hundred one".