22101201111211 has 2 divisors, whose sum is σ = 22101201111212. Its totient is φ = 22101201111210.

The previous prime is 22101201111139. The next prime is 22101201111229. The reversal of 22101201111211 is 11211110210122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22101201111211 - 2¹³ = 22101201103019 is a prime.

It is not a weakly prime, because it can be changed into another prime (22101201111271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050600555605 + 11050600555606.

It is an arithmetic number, because the mean of its divisors is an integer number (11050600555606).

Almost surely, 2^{22101201111211} is an apocalyptic number.

22101201111211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101201111211 is an equidigital number, since it uses as much as digits as its factorization.

22101201111211 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 16.

Adding to 22101201111211 its reverse (11211110210122), we get a palindrome (33312311321333).

The spelling of 22101201111211 in words is "twenty-two trillion, one hundred one billion, two hundred one million, one hundred eleven thousand, two hundred eleven".