100221002011 has 32 divisors (see below), whose sum is σ = 111851131392. Its totient is φ = 89211386880.

The previous prime is 100221001961. The next prime is 100221002023. The reversal of 100221002011 is 110200122001.

It is a cyclic number.

It is not a de Polignac number, because 100221002011 - 2⁹ = 100221001499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100221009011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20322216 + ... + 20327146.

It is an arithmetic number, because the mean of its divisors is an integer number (3495347856).

Almost surely, 2^100221002011 is an apocalyptic number.

100221002011 is a deficient number, since it is larger than the sum of its proper divisors (11630129381).

100221002011 is a wasteful number, since it uses less digits than its factorization.

100221002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100221002011 its reverse (110200122001), we get a palindrome (210421124012).

The spelling of 100221002011 in words is "one hundred billion, two hundred twenty-one million, two thousand, eleven".