97921106601011 has 4 divisors (see below), whose sum is σ = 97921184072712. Its totient is φ = 97921029129312.

The previous prime is 97921106601001. The next prime is 97921106601013. The reversal of 97921106601011 is 11010660112979.

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 97921106601011 - 2¹⁴ = 97921106584627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97921106601013) 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, 36807926 + ... + 39378491.

It is an arithmetic number, because the mean of its divisors is an integer number (24480296018178).

Almost surely, 2^{97921106601011} is an apocalyptic number.

97921106601011 is a deficient number, since it is larger than the sum of its proper divisors (77471701).

97921106601011 is a wasteful number, since it uses less digits than its factorization.

97921106601011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77471700.

The product of its (nonzero) digits is 40824, while the sum is 44.

The spelling of 97921106601011 in words is "ninety-seven trillion, nine hundred twenty-one billion, one hundred six million, six hundred one thousand, eleven".