1201100320033 has 4 divisors (see below), whose sum is σ = 1201102534420. Its totient is φ = 1201098105648.

The previous prime is 1201100320031. The next prime is 1201100320067. The reversal of 1201100320033 is 3300230011021.

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 924226508689 + 276873811344 = 961367^2 + 526188^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201100320033 - 2¹ = 1201100320031 is a prime.

It is a super-2 number, since 2×1201100320033² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201100319989 and 1201100320016.

It is not an unprimeable number, because it can be changed into a prime (1201100320031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317491 + ... + 1582087.

It is an arithmetic number, because the mean of its divisors is an integer number (300275633605).

Almost surely, 2^{1201100320033} is an apocalyptic number.

It is an amenable number.

1201100320033 is a deficient number, since it is larger than the sum of its proper divisors (2214387).

1201100320033 is an equidigital number, since it uses as much as digits as its factorization.

1201100320033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214386.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1201100320033 its reverse (3300230011021), we get a palindrome (4501330331054).

The spelling of 1201100320033 in words is "one trillion, two hundred one billion, one hundred million, three hundred twenty thousand, thirty-three".