1101213112033 has 4 divisors (see below), whose sum is σ = 1101216878788. Its totient is φ = 1101209345280.

The previous prime is 1101213112009. The next prime is 1101213112039. The reversal of 1101213112033 is 3302113121011.

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 458020339984 + 643192772049 = 676772^2 + 801993^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101213112033 - 2⁹ = 1101213111521 is a prime.

It is a super-2 number, since 2×1101213112033² (a number of 25 digits) contains 22 as substring.

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 1101213112033.

It is not an unprimeable number, because it can be changed into a prime (1101213112039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404216 + ... + 2043097.

It is an arithmetic number, because the mean of its divisors is an integer number (275304219697).

Almost surely, 2^{1101213112033} is an apocalyptic number.

It is an amenable number.

1101213112033 is a deficient number, since it is larger than the sum of its proper divisors (3766755).

1101213112033 is an equidigital number, since it uses as much as digits as its factorization.

1101213112033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766754.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1101213112033 its reverse (3302113121011), we get a palindrome (4403326233044).

The spelling of 1101213112033 in words is "one trillion, one hundred one billion, two hundred thirteen million, one hundred twelve thousand, thirty-three".