11221333002031 has 4 divisors (see below), whose sum is σ = 11356529785272. Its totient is φ = 11086136218792.

The previous prime is 11221333002013. The next prime is 11221333002073. The reversal of 11221333002031 is 13020033312211.

11221333002031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11221333002031 - 2⁹ = 11221333001519 is a prime.

It is a super-2 number, since 2×11221333002031² (a number of 27 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 = 11221333001993 and 11221333002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221333002001) 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, 67598391496 + ... + 67598391661.

It is an arithmetic number, because the mean of its divisors is an integer number (2839132446318).

Almost surely, 2^{11221333002031} is an apocalyptic number.

11221333002031 is a deficient number, since it is larger than the sum of its proper divisors (135196783241).

11221333002031 is an equidigital number, since it uses as much as digits as its factorization.

11221333002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135196783240.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11221333002031 its reverse (13020033312211), we get a palindrome (24241366314242).

The spelling of 11221333002031 in words is "eleven trillion, two hundred twenty-one billion, three hundred thirty-three million, two thousand, thirty-one".