120221210122127 has 2 divisors, whose sum is σ = 120221210122128. Its totient is φ = 120221210122126.

The previous prime is 120221210122093. The next prime is 120221210122213. The reversal of 120221210122127 is 721221012122021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120221210122127 - 2⁶ = 120221210122063 is a prime.

It is a super-2 number, since 2×120221210122127² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120221210122096 and 120221210122105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120221210122327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110605061063 + 60110605061064.

It is an arithmetic number, because the mean of its divisors is an integer number (60110605061064).

Almost surely, 2^{120221210122127} is an apocalyptic number.

120221210122127 is a deficient number, since it is larger than the sum of its proper divisors (1).

120221210122127 is an equidigital number, since it uses as much as digits as its factorization.

120221210122127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 120221210122127 its reverse (721221012122021), we get a palindrome (841442222244148).

The spelling of 120221210122127 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred ten million, one hundred twenty-two thousand, one hundred twenty-seven".