100320301211221 has 8 divisors (see below), whose sum is σ = 123471139952384. Its totient is φ = 79374304254960.

The previous prime is 100320301211189. The next prime is 100320301211297. The reversal of 100320301211221 is 122112103023001.

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

It is not a de Polignac number, because 100320301211221 - 2⁵ = 100320301211189 is a prime.

It is a super-2 number, since 2×100320301211221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100320301211321) 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, 551210446125 + ... + 551210446306.

It is an arithmetic number, because the mean of its divisors is an integer number (15433892494048).

Almost surely, 2^{100320301211221} is an apocalyptic number.

It is an amenable number.

100320301211221 is a deficient number, since it is larger than the sum of its proper divisors (23150838741163).

100320301211221 is a wasteful number, since it uses less digits than its factorization.

100320301211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102420892451.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 100320301211221 its reverse (122112103023001), we get a palindrome (222432404234222).

The spelling of 100320301211221 in words is "one hundred trillion, three hundred twenty billion, three hundred one million, two hundred eleven thousand, two hundred twenty-one".