101000221220221 has 8 divisors (see below), whose sum is σ = 101293268616864. Its totient is φ = 100707185206320.

The previous prime is 101000221220191. The next prime is 101000221220267. The reversal of 101000221220221 is 122022122000101.

It is a happy number.

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 101000221220221 - 2²³ = 101000212831613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101000221220195 and 101000221220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000221220021) 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, 15090006 + ... + 20729416.

It is an arithmetic number, because the mean of its divisors is an integer number (12661658577108).

Almost surely, 2^{101000221220221} is an apocalyptic number.

It is an amenable number.

101000221220221 is a deficient number, since it is larger than the sum of its proper divisors (293047396643).

101000221220221 is an equidigital number, since it uses as much as digits as its factorization.

101000221220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5691371.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101000221220221 its reverse (122022122000101), we get a palindrome (223022343220322).

The spelling of 101000221220221 in words is "one hundred one trillion, two hundred twenty-one million, two hundred twenty thousand, two hundred twenty-one".