100120002202221 has 16 divisors (see below), whose sum is σ = 133789768432320. Its totient is φ = 66598466901120.

The previous prime is 100120002202219. The next prime is 100120002202309. The reversal of 100120002202221 is 122202200021001.

It is not a de Polignac number, because 100120002202221 - 2¹ = 100120002202219 is a prime.

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 100120002202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120002202921) 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, 25273326 + ... + 28965168.

It is an arithmetic number, because the mean of its divisors is an integer number (8361860527020).

Almost surely, 2^{100120002202221} is an apocalyptic number.

It is an amenable number.

100120002202221 is a deficient number, since it is larger than the sum of its proper divisors (33669766230099).

100120002202221 is a wasteful number, since it uses less digits than its factorization.

100120002202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711916.

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

Adding to 100120002202221 its reverse (122202200021001), we get a palindrome (222322202223222).

The spelling of 100120002202221 in words is "one hundred trillion, one hundred twenty billion, two million, two hundred two thousand, two hundred twenty-one".