100220021022221 has 8 divisors (see below), whose sum is σ = 100990305964800. Its totient is φ = 99452073819520.

The previous prime is 100220021022193. The next prime is 100220021022227. The reversal of 100220021022221 is 122220120022001.

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 100220021022221 - 2³⁸ = 99945143115277 is a prime.

It is a super-2 number, since 2×100220021022221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100220021022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220021022227) 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, 584348900 + ... + 584520381.

It is an arithmetic number, because the mean of its divisors is an integer number (12623788245600).

Almost surely, 2^{100220021022221} is an apocalyptic number.

It is an amenable number.

100220021022221 is a deficient number, since it is larger than the sum of its proper divisors (770284942579).

100220021022221 is a wasteful number, since it uses less digits than its factorization.

100220021022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168869939.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 100220021022221 its reverse (122220120022001), we get a palindrome (222440141044222).

The spelling of 100220021022221 in words is "one hundred trillion, two hundred twenty billion, twenty-one million, twenty-two thousand, two hundred twenty-one".