100722011 has 8 divisors (see below), whose sum is σ = 108547824. Its totient is φ = 92907360.

The previous prime is 100722001. The next prime is 100722023. The reversal of 100722011 is 110227001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-100722011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100722001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34085 + ... + 36921.

It is an arithmetic number, because the mean of its divisors is an integer number (13568478).

Almost surely, 2^100722011 is an apocalyptic number.

100722011 is a deficient number, since it is larger than the sum of its proper divisors (7825813).

100722011 is a wasteful number, since it uses less digits than its factorization.

100722011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 100722011 is about 10036.0356216984. The cubic root of 100722011 is about 465.2732983147.

Adding to 100722011 its reverse (110227001), we get a palindrome (210949012).

The spelling of 100722011 in words is "one hundred million, seven hundred twenty-two thousand, eleven".