22111211213101 has 2 divisors, whose sum is σ = 22111211213102. Its totient is φ = 22111211213100.

The previous prime is 22111211213099. The next prime is 22111211213131. The reversal of 22111211213101 is 10131211211122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19486697811876 + 2624513401225 = 4414374^2 + 1620035^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111211213101 - 2¹ = 22111211213099 is a prime.

It is a super-2 number, since 2×22111211213101² (a number of 27 digits) contains 22 as substring.

Together with 22111211213099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22111211213131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055605606550 + 11055605606551.

It is an arithmetic number, because the mean of its divisors is an integer number (11055605606551).

Almost surely, 2^{22111211213101} is an apocalyptic number.

It is an amenable number.

22111211213101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111211213101 is an equidigital number, since it uses as much as digits as its factorization.

22111211213101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 22111211213101 its reverse (10131211211122), we get a palindrome (32242422424223).

The spelling of 22111211213101 in words is "twenty-two trillion, one hundred eleven billion, two hundred eleven million, two hundred thirteen thousand, one hundred one".