101000220211221 has 8 divisors (see below), whose sum is σ = 140522045511360. Its totient is φ = 64405937525952.

The previous prime is 101000220211201. The next prime is 101000220211243. The reversal of 101000220211221 is 122112022000101.

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

It is not a de Polignac number, because 101000220211221 - 2³⁸ = 100725342304277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101000220211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000220211201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731885653636 + ... + 731885653773.

It is an arithmetic number, because the mean of its divisors is an integer number (17565255688920).

Almost surely, 2^{101000220211221} is an apocalyptic number.

It is an amenable number.

101000220211221 is a deficient number, since it is larger than the sum of its proper divisors (39521825300139).

101000220211221 is a wasteful number, since it uses less digits than its factorization.

101000220211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463771307435.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101000220211221 its reverse (122112022000101), we get a palindrome (223112242211322).

The spelling of 101000220211221 in words is "one hundred one trillion, two hundred twenty million, two hundred eleven thousand, two hundred twenty-one".