2211121003133 has 4 divisors (see below), whose sum is σ = 2526995432160. Its totient is φ = 1895246574108.

The previous prime is 2211121003127. The next prime is 2211121003177. The reversal of 2211121003133 is 3313001211122.

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 2211121003133 - 2⁸ = 2211121002877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211121003633) 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, 157937214503 + ... + 157937214516.

It is an arithmetic number, because the mean of its divisors is an integer number (631748858040).

Almost surely, 2^{2211121003133} is an apocalyptic number.

It is an amenable number.

2211121003133 is a deficient number, since it is larger than the sum of its proper divisors (315874429027).

2211121003133 is an equidigital number, since it uses as much as digits as its factorization.

2211121003133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315874429026.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2211121003133 its reverse (3313001211122), we get a palindrome (5524122214255).

The spelling of 2211121003133 in words is "two trillion, two hundred eleven billion, one hundred twenty-one million, three thousand, one hundred thirty-three".