939999911101 has 4 divisors (see below), whose sum is σ = 949690631932. Its totient is φ = 930309190272.

The previous prime is 939999911099. The next prime is 939999911167. The reversal of 939999911101 is 101119999939.

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

It can be written as a sum of positive squares in 2 ways, for example, as 299198060100 + 640801851001 = 546990^2 + 800501^2 .

It is a cyclic number.

It is not a de Polignac number, because 939999911101 - 2¹ = 939999911099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 939999911101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939999911801) 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, 4845360270 + ... + 4845360463.

It is an arithmetic number, because the mean of its divisors is an integer number (237422657983).

Almost surely, 2^939999911101 is an apocalyptic number.

It is an amenable number.

939999911101 is a deficient number, since it is larger than the sum of its proper divisors (9690720831).

939999911101 is an equidigital number, since it uses as much as digits as its factorization.

939999911101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9690720830.

The product of its (nonzero) digits is 1594323, while the sum is 61.

The spelling of 939999911101 in words is "nine hundred thirty-nine billion, nine hundred ninety-nine million, nine hundred eleven thousand, one hundred one".