100022120020221 has 16 divisors (see below), whose sum is σ = 152417122258944. Its totient is φ = 57154573461744.

The previous prime is 100022120020217. The next prime is 100022120020247. The reversal of 100022120020221 is 122020021220001.

It is not a de Polignac number, because 100022120020221 - 2² = 100022120020217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100022120020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100022120020201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37155765 + ... + 39756698.

It is an arithmetic number, because the mean of its divisors is an integer number (9526070141184).

Almost surely, 2^{100022120020221} is an apocalyptic number.

It is an amenable number.

100022120020221 is a deficient number, since it is larger than the sum of its proper divisors (52395002238723).

100022120020221 is an equidigital number, since it uses as much as digits as its factorization.

100022120020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76974400.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100022120020221 its reverse (122020021220001), we get a palindrome (222042141240222).

The spelling of 100022120020221 in words is "one hundred trillion, twenty-two billion, one hundred twenty million, twenty thousand, two hundred twenty-one".