100102000122221 has 4 divisors (see below), whose sum is σ = 100160987749212. Its totient is φ = 100043012495232.

The previous prime is 100102000122209. The next prime is 100102000122253. The reversal of 100102000122221 is 122221000201001.

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 55230610792900 + 44871389329321 = 7431730^2 + 6698611^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100102000122221 is a prime.

It is a super-3 number, since 3×100102000122221³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100102000122196 and 100102000122205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102000122121) 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, 29493810950 + ... + 29493814343.

It is an arithmetic number, because the mean of its divisors is an integer number (25040246937303).

Almost surely, 2^{100102000122221} is an apocalyptic number.

It is an amenable number.

100102000122221 is a deficient number, since it is larger than the sum of its proper divisors (58987626991).

100102000122221 is an equidigital number, since it uses as much as digits as its factorization.

100102000122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58987626990.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100102000122221 its reverse (122221000201001), we get a palindrome (222323000323222).

The spelling of 100102000122221 in words is "one hundred trillion, one hundred two billion, one hundred twenty-two thousand, two hundred twenty-one".