100120222273 has 2 divisors, whose sum is σ = 100120222274. Its totient is φ = 100120222272.

The previous prime is 100120222271. The next prime is 100120222327. The reversal of 100120222273 is 372222021001.

Together with next prime (100120222327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84513466944 + 15606755329 = 290712^2 + 124927^2 .

It is an emirp because it is prime and its reverse (372222021001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100120222273 - 2¹ = 100120222271 is a prime.

Together with 100120222271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100120222271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060111136 + 50060111137.

It is an arithmetic number, because the mean of its divisors is an integer number (50060111137).

Almost surely, 2^100120222273 is an apocalyptic number.

It is an amenable number.

100120222273 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120222273 is an equidigital number, since it uses as much as digits as its factorization.

100120222273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 100120222273 its reverse (372222021001), we get a palindrome (472342243274).

The spelling of 100120222273 in words is "one hundred billion, one hundred twenty million, two hundred twenty-two thousand, two hundred seventy-three".