100120233334321 has 2 divisors, whose sum is σ = 100120233334322. Its totient is φ = 100120233334320.

The previous prime is 100120233334309. The next prime is 100120233334349. The reversal of 100120233334321 is 123433332021001.

It is an a-pointer prime, because the next prime (100120233334349) can be obtained adding 100120233334321 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99303218010000 + 817015324321 = 9965100^2 + 903889^2 .

It is an emirp because it is prime and its reverse (123433332021001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100120233334321 - 2⁷ = 100120233334193 is a prime.

It is a super-2 number, since 2×100120233334321² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100120233334321.

It is not a weakly prime, because it can be changed into another prime (100120233334361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060116667160 + 50060116667161.

It is an arithmetic number, because the mean of its divisors is an integer number (50060116667161).

Almost surely, 2^{100120233334321} is an apocalyptic number.

It is an amenable number.

100120233334321 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120233334321 is an equidigital number, since it uses as much as digits as its factorization.

100120233334321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 100120233334321 its reverse (123433332021001), we get a palindrome (223553565355322).

The spelling of 100120233334321 in words is "one hundred trillion, one hundred twenty billion, two hundred thirty-three million, three hundred thirty-four thousand, three hundred twenty-one".