100101120221 has 8 divisors (see below), whose sum is σ = 101160245760. Its totient is φ = 99047330928.

The previous prime is 100101120169. The next prime is 100101120253. The reversal of 100101120221 is 122021101001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100101120221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100101125221) 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, 1296341 + ... + 1371386.

It is an arithmetic number, because the mean of its divisors is an integer number (12645030720).

Almost surely, 2^100101120221 is an apocalyptic number.

It is an amenable number.

100101120221 is a deficient number, since it is larger than the sum of its proper divisors (1059125539).

100101120221 is a wasteful number, since it uses less digits than its factorization.

100101120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668123.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100101120221 its reverse (122021101001), we get a palindrome (222122221222).

The spelling of 100101120221 in words is "one hundred billion, one hundred one million, one hundred twenty thousand, two hundred twenty-one".