100222102220101 has 4 divisors (see below), whose sum is σ = 106117519997772. Its totient is φ = 94326684442432.

The previous prime is 100222102220099. The next prime is 100222102220113. The reversal of 100222102220101 is 101022201222001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44777309812225 + 55444792407876 = 6691585^2 + 7446126^2 .

It is a cyclic number.

It is not a de Polignac number, because 100222102220101 - 2¹ = 100222102220099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222102320101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2947708888810 + ... + 2947708888843.

It is an arithmetic number, because the mean of its divisors is an integer number (26529379999443).

Almost surely, 2^{100222102220101} is an apocalyptic number.

It is an amenable number.

100222102220101 is a deficient number, since it is larger than the sum of its proper divisors (5895417777671).

100222102220101 is an equidigital number, since it uses as much as digits as its factorization.

100222102220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895417777670.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100222102220101 its reverse (101022201222001), we get a palindrome (201244303442102).

The spelling of 100222102220101 in words is "one hundred trillion, two hundred twenty-two billion, one hundred two million, two hundred twenty thousand, one hundred one".