2211000123133 has 4 divisors (see below), whose sum is σ = 2211033878140. Its totient is φ = 2210966368128.

The previous prime is 2211000123119. The next prime is 2211000123169. The reversal of 2211000123133 is 3313210001122.

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 682072819129 + 1528927304004 = 825877^2 + 1236498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211000123133 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 2211000123133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211000123103) 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, 16779060 + ... + 16910317.

It is an arithmetic number, because the mean of its divisors is an integer number (552758469535).

Almost surely, 2^{2211000123133} is an apocalyptic number.

It is an amenable number.

2211000123133 is a deficient number, since it is larger than the sum of its proper divisors (33755007).

2211000123133 is an equidigital number, since it uses as much as digits as its factorization.

2211000123133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33755006.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2211000123133 its reverse (3313210001122), we get a palindrome (5524210124255).

The spelling of 2211000123133 in words is "two trillion, two hundred eleven billion, one hundred twenty-three thousand, one hundred thirty-three".