9721196101 has 4 divisors (see below), whose sum is σ = 10034783104. Its totient is φ = 9407609100.

The previous prime is 9721196099. The next prime is 9721196129. The reversal of 9721196101 is 1016911279.

9721196101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9721196101 - 2¹ = 9721196099 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 (9721196141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156793455 + ... + 156793516.

It is an arithmetic number, because the mean of its divisors is an integer number (2508695776).

Almost surely, 2^9721196101 is an apocalyptic number.

9721196101 is the 56925-th hex number.

It is an amenable number.

9721196101 is a deficient number, since it is larger than the sum of its proper divisors (313587003).

9721196101 is a wasteful number, since it uses less digits than its factorization.

9721196101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313587002.

The product of its (nonzero) digits is 6804, while the sum is 37.

The square root of 9721196101 is about 98596.1261967224. The cubic root of 9721196101 is about 2134.2235182731.

The spelling of 9721196101 in words is "nine billion, seven hundred twenty-one million, one hundred ninety-six thousand, one hundred one".