122200021127 has 2 divisors, whose sum is σ = 122200021128. Its totient is φ = 122200021126.

The previous prime is 122200021081. The next prime is 122200021199. The reversal of 122200021127 is 721120002221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122200021127 - 2²⁰ = 122198972551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122200021099 and 122200021108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122206021127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61100010563 + 61100010564.

It is an arithmetic number, because the mean of its divisors is an integer number (61100010564).

Almost surely, 2^122200021127 is an apocalyptic number.

122200021127 is a deficient number, since it is larger than the sum of its proper divisors (1).

122200021127 is an equidigital number, since it uses as much as digits as its factorization.

122200021127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 122200021127 its reverse (721120002221), we get a palindrome (843320023348).

The spelling of 122200021127 in words is "one hundred twenty-two billion, two hundred million, twenty-one thousand, one hundred twenty-seven".