110102121971 has 2 divisors, whose sum is σ = 110102121972. Its totient is φ = 110102121970.

The previous prime is 110102121949. The next prime is 110102121977. The reversal of 110102121971 is 179121201011.

It is a strong prime.

It is an emirp because it is prime and its reverse (179121201011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110102121971 - 2⁶ = 110102121907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110102121971.

It is not a weakly prime, because it can be changed into another prime (110102121977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55051060985 + 55051060986.

It is an arithmetic number, because the mean of its divisors is an integer number (55051060986).

Almost surely, 2^110102121971 is an apocalyptic number.

110102121971 is a deficient number, since it is larger than the sum of its proper divisors (1).

110102121971 is an equidigital number, since it uses as much as digits as its factorization.

110102121971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 26.

Adding to 110102121971 its reverse (179121201011), we get a palindrome (289223322982).

The spelling of 110102121971 in words is "one hundred ten billion, one hundred two million, one hundred twenty-one thousand, nine hundred seventy-one".