123222021133 has 4 divisors (see below), whose sum is σ = 123224732380. Its totient is φ = 123219309888.

The previous prime is 123222021103. The next prime is 123222021151. The reversal of 123222021133 is 331120222321.

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 74025893929 + 49196127204 = 272077^2 + 221802^2 .

It is a cyclic number.

It is not a de Polignac number, because 123222021133 - 2²⁵ = 123188466701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123222021103) 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, 1286268 + ... + 1378741.

It is an arithmetic number, because the mean of its divisors is an integer number (30806183095).

Almost surely, 2^123222021133 is an apocalyptic number.

It is an amenable number.

123222021133 is a deficient number, since it is larger than the sum of its proper divisors (2711247).

123222021133 is an equidigital number, since it uses as much as digits as its factorization.

123222021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711246.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123222021133 its reverse (331120222321), we get a palindrome (454342243454).

The spelling of 123222021133 in words is "one hundred twenty-three billion, two hundred twenty-two million, twenty-one thousand, one hundred thirty-three".