121012122271 has 2 divisors, whose sum is σ = 121012122272. Its totient is φ = 121012122270.

The previous prime is 121012122199. The next prime is 121012122289. The reversal of 121012122271 is 172221210121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121012122271 - 2¹¹ = 121012120223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121012122571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506061135 + 60506061136.

It is an arithmetic number, because the mean of its divisors is an integer number (60506061136).

Almost surely, 2^121012122271 is an apocalyptic number.

121012122271 is a deficient number, since it is larger than the sum of its proper divisors (1).

121012122271 is an equidigital number, since it uses as much as digits as its factorization.

121012122271 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 22.

Adding to 121012122271 its reverse (172221210121), we get a palindrome (293233332392).

The spelling of 121012122271 in words is "one hundred twenty-one billion, twelve million, one hundred twenty-two thousand, two hundred seventy-one".