4991100101 has 16 divisors (see below), whose sum is σ = 5660907840. Its totient is φ = 4362387840.

The previous prime is 4991100083. The next prime is 4991100137. The reversal of 4991100101 is 1010011994.

It is a de Polignac number, because none of the positive numbers 2^k-4991100101 is a prime.

It is a super-2 number, since 2×4991100101² = 49822160436404420402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991105101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606746 + ... + 614916.

It is an arithmetic number, because the mean of its divisors is an integer number (353806740).

Almost surely, 2^4991100101 is an apocalyptic number.

It is an amenable number.

4991100101 is a deficient number, since it is larger than the sum of its proper divisors (669807739).

4991100101 is a wasteful number, since it uses less digits than its factorization.

4991100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10676.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 4991100101 is about 70647.7183000272. The cubic root of 4991100101 is about 1708.9607698923.

The spelling of 4991100101 in words is "four billion, nine hundred ninety-one million, one hundred thousand, one hundred one".