122102021211127 has 2 divisors, whose sum is σ = 122102021211128. Its totient is φ = 122102021211126.

The previous prime is 122102021211103. The next prime is 122102021211179. The reversal of 122102021211127 is 721112120201221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122102021211127 - 2²⁷ = 122101886993399 is a prime.

It is a super-2 number, since 2×122102021211127² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122102021215127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051010605563 + 61051010605564.

It is an arithmetic number, because the mean of its divisors is an integer number (61051010605564).

Almost surely, 2^{122102021211127} is an apocalyptic number.

122102021211127 is a deficient number, since it is larger than the sum of its proper divisors (1).

122102021211127 is an equidigital number, since it uses as much as digits as its factorization.

122102021211127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 122102021211127 its reverse (721112120201221), we get a palindrome (843214141412348).

The spelling of 122102021211127 in words is "one hundred twenty-two trillion, one hundred two billion, twenty-one million, two hundred eleven thousand, one hundred twenty-seven".