100212020110221 has 16 divisors (see below), whose sum is σ = 136470038363904. Its totient is φ = 65381239243584.

The previous prime is 100212020110207. The next prime is 100212020110253. The reversal of 100212020110221 is 122011020212001.

It is not a de Polignac number, because 100212020110221 - 2¹⁵ = 100212020077453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100212020110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212020110921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27214270 + ... + 30676383.

It is an arithmetic number, because the mean of its divisors is an integer number (8529377397744).

Almost surely, 2^{100212020110221} is an apocalyptic number.

It is an amenable number.

100212020110221 is a deficient number, since it is larger than the sum of its proper divisors (36258018253683).

100212020110221 is a wasteful number, since it uses less digits than its factorization.

100212020110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57902980.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100212020110221 its reverse (122011020212001), we get a palindrome (222223040322222).

The spelling of 100212020110221 in words is "one hundred trillion, two hundred twelve billion, twenty million, one hundred ten thousand, two hundred twenty-one".