100101010020221 has 8 divisors (see below), whose sum is σ = 114408274693440. Its totient is φ = 85795525443168.

The previous prime is 100101010020157. The next prime is 100101010020223. The reversal of 100101010020221 is 122020010101001.

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 100101010020221 - 2⁶ = 100101010020157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100101010020223) 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, 444903536 + ... + 445128473.

It is an arithmetic number, because the mean of its divisors is an integer number (14301034336680).

Almost surely, 2^{100101010020221} is an apocalyptic number.

It is an amenable number.

100101010020221 is a deficient number, since it is larger than the sum of its proper divisors (14307264673219).

100101010020221 is an equidigital number, since it uses as much as digits as its factorization.

100101010020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890048083.

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

Adding to 100101010020221 its reverse (122020010101001), we get a palindrome (222121020121222).

The spelling of 100101010020221 in words is "one hundred trillion, one hundred one billion, ten million, twenty thousand, two hundred twenty-one".