22001112021127 has 2 divisors, whose sum is σ = 22001112021128. Its totient is φ = 22001112021126.

The previous prime is 22001112021059. The next prime is 22001112021233. The reversal of 22001112021127 is 72112021110022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22001112021127 - 2¹⁹ = 22001111496839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22001112021098 and 22001112021107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22001112021727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000556010563 + 11000556010564.

It is an arithmetic number, because the mean of its divisors is an integer number (11000556010564).

Almost surely, 2^{22001112021127} is an apocalyptic number.

22001112021127 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001112021127 is an equidigital number, since it uses as much as digits as its factorization.

22001112021127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 22001112021127 its reverse (72112021110022), we get a palindrome (94113133131149).

The spelling of 22001112021127 in words is "twenty-two trillion, one billion, one hundred twelve million, twenty-one thousand, one hundred twenty-seven".