22111002101 has 2 divisors, whose sum is σ = 22111002102. Its totient is φ = 22111002100.

The previous prime is 22111002097. The next prime is 22111002127. The reversal of 22111002101 is 10120011122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21425347876 + 685654225 = 146374^2 + 26185^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111002101 - 2² = 22111002097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22111005101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055501050 + 11055501051.

It is an arithmetic number, because the mean of its divisors is an integer number (11055501051).

Almost surely, 2^22111002101 is an apocalyptic number.

It is an amenable number.

22111002101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111002101 is an equidigital number, since it uses as much as digits as its factorization.

22111002101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22111002101 its reverse (10120011122), we get a palindrome (32231013223).

The spelling of 22111002101 in words is "twenty-two billion, one hundred eleven million, two thousand, one hundred one".