921116711060501 has 4 divisors (see below), whose sum is σ = 928148136335904. Its totient is φ = 914085285785100.

The previous prime is 921116711060479. The next prime is 921116711060503. The reversal of 921116711060501 is 105060117611129.

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 921116711060501 - 2⁴² = 916718664549397 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 (921116711060503) 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, 3515712637505 + ... + 3515712637766.

It is an arithmetic number, because the mean of its divisors is an integer number (232037034083976).

Almost surely, 2^{921116711060501} is an apocalyptic number.

It is an amenable number.

921116711060501 is a deficient number, since it is larger than the sum of its proper divisors (7031425275403).

921116711060501 is a wasteful number, since it uses less digits than its factorization.

921116711060501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7031425275402.

The product of its (nonzero) digits is 22680, while the sum is 41.

The spelling of 921116711060501 in words is "nine hundred twenty-one trillion, one hundred sixteen billion, seven hundred eleven million, sixty thousand, five hundred one".