1100021131333 has 8 divisors (see below), whose sum is σ = 1115119471256. Its totient is φ = 1084923590400.

The previous prime is 1100021131291. The next prime is 1100021131337. The reversal of 1100021131333 is 3331311200011.

It can be written as a sum of positive squares in 4 ways, for example, as 209221163649 + 890799967684 = 457407^2 + 943822^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100021131333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100021131333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100021131337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2900593 + ... + 3257833.

It is an arithmetic number, because the mean of its divisors is an integer number (139389933907).

Almost surely, 2^{1100021131333} is an apocalyptic number.

It is an amenable number.

1100021131333 is a deficient number, since it is larger than the sum of its proper divisors (15098339923).

1100021131333 is an equidigital number, since it uses as much as digits as its factorization.

1100021131333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399495.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1100021131333 its reverse (3331311200011), we get a palindrome (4431332331344).

The spelling of 1100021131333 in words is "one trillion, one hundred billion, twenty-one million, one hundred thirty-one thousand, three hundred thirty-three".