100222211210221 has 8 divisors (see below), whose sum is σ = 101354196335040. Its totient is φ = 99090357038112.

The previous prime is 100222211210171. The next prime is 100222211210237. The reversal of 100222211210221 is 122012112222001.

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-100222211210221 is a prime.

It is a super-2 number, since 2×100222211210221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222211216221) 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, 31198465 + ... + 34260598.

It is an arithmetic number, because the mean of its divisors is an integer number (12669274541880).

Almost surely, 2^{100222211210221} is an apocalyptic number.

It is an amenable number.

100222211210221 is a deficient number, since it is larger than the sum of its proper divisors (1131985124819).

100222211210221 is an equidigital number, since it uses as much as digits as its factorization.

100222211210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65476355.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100222211210221 its reverse (122012112222001), we get a palindrome (222234323432222).

The spelling of 100222211210221 in words is "one hundred trillion, two hundred twenty-two billion, two hundred eleven million, two hundred ten thousand, two hundred twenty-one".