22111231021127 has 2 divisors, whose sum is σ = 22111231021128. Its totient is φ = 22111231021126.

The previous prime is 22111231021031. The next prime is 22111231021157. The reversal of 22111231021127 is 72112013211122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22111231021127 - 2²² = 22111226826823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22111231021096 and 22111231021105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22111231021157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055615510563 + 11055615510564.

It is an arithmetic number, because the mean of its divisors is an integer number (11055615510564).

Almost surely, 2^{22111231021127} is an apocalyptic number.

22111231021127 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111231021127 is an equidigital number, since it uses as much as digits as its factorization.

22111231021127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 22111231021127 its reverse (72112013211122), we get a palindrome (94223244232249).

The spelling of 22111231021127 in words is "twenty-two trillion, one hundred eleven billion, two hundred thirty-one million, twenty-one thousand, one hundred twenty-seven".