971101201111 has 4 divisors (see below), whose sum is σ = 971229644224. Its totient is φ = 970972758000.

The previous prime is 971101201097. The next prime is 971101201121. The reversal of 971101201111 is 111102101179.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 971101201111 - 2¹⁹ = 971100676823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971101201121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64210215 + ... + 64225336.

It is an arithmetic number, because the mean of its divisors is an integer number (242807411056).

Almost surely, 2^971101201111 is an apocalyptic number.

971101201111 is a deficient number, since it is larger than the sum of its proper divisors (128443113).

971101201111 is a wasteful number, since it uses less digits than its factorization.

971101201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128443112.

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

The spelling of 971101201111 in words is "nine hundred seventy-one billion, one hundred one million, two hundred one thousand, one hundred eleven".