11121201033 has 4 divisors (see below), whose sum is σ = 14828268048. Its totient is φ = 7414134020.

The previous prime is 11121201023. The next prime is 11121201041. The reversal of 11121201033 is 33010212111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11121201033 - 2⁹ = 11121200521 is a prime.

It is a super-2 number, since 2×11121201033² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11121201023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853533503 + ... + 1853533508.

It is an arithmetic number, because the mean of its divisors is an integer number (3707067012).

Almost surely, 2^11121201033 is an apocalyptic number.

It is an amenable number.

11121201033 is a deficient number, since it is larger than the sum of its proper divisors (3707067015).

11121201033 is an equidigital number, since it uses as much as digits as its factorization.

11121201033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707067014.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11121201033 its reverse (33010212111), we get a palindrome (44131413144).

The spelling of 11121201033 in words is "eleven billion, one hundred twenty-one million, two hundred one thousand, thirty-three".