100272811 has 4 divisors (see below), whose sum is σ = 100453392. Its totient is φ = 100092232.

The previous prime is 100272779. The next prime is 100272853. The reversal of 100272811 is 118272001.

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 100272811 - 2⁵ = 100272779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100272611) 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, 89455 + ... + 90568.

It is an arithmetic number, because the mean of its divisors is an integer number (25113348).

Almost surely, 2^100272811 is an apocalyptic number.

100272811 is a deficient number, since it is larger than the sum of its proper divisors (180581).

100272811 is an equidigital number, since it uses as much as digits as its factorization.

100272811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180580.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 100272811 is about 10013.6312594383. The cubic root of 100272811 is about 464.5805922678.

The spelling of 100272811 in words is "one hundred million, two hundred seventy-two thousand, eight hundred eleven".