101110121971 has 2 divisors, whose sum is σ = 101110121972. Its totient is φ = 101110121970.

The previous prime is 101110121933. The next prime is 101110122023. The reversal of 101110121971 is 179121011101.

It is a weak prime.

It is an emirp because it is prime and its reverse (179121011101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101110121971 - 2¹¹ = 101110119923 is a prime.

It is not a weakly prime, because it can be changed into another prime (101110125971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555060985 + 50555060986.

It is an arithmetic number, because the mean of its divisors is an integer number (50555060986).

Almost surely, 2^101110121971 is an apocalyptic number.

101110121971 is a deficient number, since it is larger than the sum of its proper divisors (1).

101110121971 is an equidigital number, since it uses as much as digits as its factorization.

101110121971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 25.

The spelling of 101110121971 in words is "one hundred one billion, one hundred ten million, one hundred twenty-one thousand, nine hundred seventy-one".