122112021127 has 2 divisors, whose sum is σ = 122112021128. Its totient is φ = 122112021126.

The previous prime is 122112021089. The next prime is 122112021133. The reversal of 122112021127 is 721120211221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122112021127 - 2¹⁵ = 122111988359 is a prime.

It is a super-2 number, since 2×122112021127² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122112021098 and 122112021107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122112027127) 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, 61056010563 + 61056010564.

It is an arithmetic number, because the mean of its divisors is an integer number (61056010564).

Almost surely, 2^122112021127 is an apocalyptic number.

122112021127 is a deficient number, since it is larger than the sum of its proper divisors (1).

122112021127 is an equidigital number, since it uses as much as digits as its factorization.

122112021127 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 122112021127 its reverse (721120211221), we get a palindrome (843232232348).

The spelling of 122112021127 in words is "one hundred twenty-two billion, one hundred twelve million, twenty-one thousand, one hundred twenty-seven".