22102012201111 has 2 divisors, whose sum is σ = 22102012201112. Its totient is φ = 22102012201110.

The previous prime is 22102012201099. The next prime is 22102012201163. The reversal of 22102012201111 is 11110221020122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22102012201111 - 2¹³ = 22102012192919 is a prime.

It is a super-2 number, since 2×22102012201111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22102012201211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051006100555 + 11051006100556.

It is an arithmetic number, because the mean of its divisors is an integer number (11051006100556).

Almost surely, 2^{22102012201111} is an apocalyptic number.

22102012201111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102012201111 is an equidigital number, since it uses as much as digits as its factorization.

22102012201111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22102012201111 its reverse (11110221020122), we get a palindrome (33212233221233).

The spelling of 22102012201111 in words is "twenty-two trillion, one hundred two billion, twelve million, two hundred one thousand, one hundred eleven".