122102020127 has 2 divisors, whose sum is σ = 122102020128. Its totient is φ = 122102020126.

The previous prime is 122102020097. The next prime is 122102020169. The reversal of 122102020127 is 721020201221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122102020127 - 2¹⁰ = 122102019103 is a prime.

It is a super-2 number, since 2×122102020127² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122102020099 and 122102020108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122102020177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051010063 + 61051010064.

It is an arithmetic number, because the mean of its divisors is an integer number (61051010064).

Almost surely, 2^122102020127 is an apocalyptic number.

122102020127 is a deficient number, since it is larger than the sum of its proper divisors (1).

122102020127 is an equidigital number, since it uses as much as digits as its factorization.

122102020127 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 122102020127 its reverse (721020201221), we get a palindrome (843122221348).

The spelling of 122102020127 in words is "one hundred twenty-two billion, one hundred two million, twenty thousand, one hundred twenty-seven".