1011200021333 has 12 divisors (see below), whose sum is σ = 1018767527820. Its totient is φ = 1003687819200.

The previous prime is 1011200021329. The next prime is 1011200021371. The reversal of 1011200021333 is 3331200021101.

It can be written as a sum of positive squares in 2 ways, for example, as 264666004849 + 746534016484 = 514457^2 + 864022^2 .

It is not a de Polignac number, because 1011200021333 - 2² = 1011200021329 is a prime.

It is a super-3 number, since 3×1011200021333³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011200023333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29099513 + ... + 29134241.

It is an arithmetic number, because the mean of its divisors is an integer number (84897293985).

Almost surely, 2^{1011200021333} is an apocalyptic number.

It is an amenable number.

1011200021333 is a deficient number, since it is larger than the sum of its proper divisors (7567506487).

1011200021333 is an equidigital number, since it uses as much as digits as its factorization.

1011200021333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36308 (or 36157 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1011200021333 its reverse (3331200021101), we get a palindrome (4342400042434).

The spelling of 1011200021333 in words is "one trillion, eleven billion, two hundred million, twenty-one thousand, three hundred thirty-three".