100201022212121 has 8 divisors (see below), whose sum is σ = 102272942571840. Its totient is φ = 98135817964912.

The previous prime is 100201022212091. The next prime is 100201022212141. The reversal of 100201022212121 is 121212220102001.

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 100201022212121 - 2²² = 100201018017817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100201022212121.

It is not an unprimeable number, because it can be changed into a prime (100201022212141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1678997981 + ... + 1679057658.

It is an arithmetic number, because the mean of its divisors is an integer number (12784117821480).

Almost surely, 2^{100201022212121} is an apocalyptic number.

It is an amenable number.

100201022212121 is a deficient number, since it is larger than the sum of its proper divisors (2071920359719).

100201022212121 is an equidigital number, since it uses as much as digits as its factorization.

100201022212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358056255.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100201022212121 its reverse (121212220102001), we get a palindrome (221413242314122).

The spelling of 100201022212121 in words is "one hundred trillion, two hundred one billion, twenty-two million, two hundred twelve thousand, one hundred twenty-one".