221101100011 has 8 divisors (see below), whose sum is σ = 241234588224. Its totient is φ = 200973176520.

The previous prime is 221101099931. The next prime is 221101100041. The reversal of 221101100011 is 110001101122.

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

It is a cyclic number.

It is not a de Polignac number, because 221101100011 - 2⁷ = 221101099883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221101100041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307881 + ... + 1467226.

It is an arithmetic number, because the mean of its divisors is an integer number (30154323528).

Almost surely, 2^221101100011 is an apocalyptic number.

221101100011 is a deficient number, since it is larger than the sum of its proper divisors (20133488213).

221101100011 is a wasteful number, since it uses less digits than its factorization.

221101100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782361.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 221101100011 its reverse (110001101122), we get a palindrome (331102201133).

The spelling of 221101100011 in words is "two hundred twenty-one billion, one hundred one million, one hundred thousand, eleven".