20211122133 has 16 divisors (see below), whose sum is σ = 29953137600. Its totient is φ = 13469250960.

The previous prime is 20211122123. The next prime is 20211122177. The reversal of 20211122133 is 33122111202.

It is not a de Polignac number, because 20211122133 - 2⁵ = 20211122101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211122123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56658 + ... + 208883.

It is an arithmetic number, because the mean of its divisors is an integer number (1872071100).

Almost surely, 2^20211122133 is an apocalyptic number.

It is an amenable number.

20211122133 is a deficient number, since it is larger than the sum of its proper divisors (9742015467).

20211122133 is a wasteful number, since it uses less digits than its factorization.

20211122133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268369 (or 268363 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20211122133 its reverse (33122111202), we get a palindrome (53333233335).

The spelling of 20211122133 in words is "twenty billion, two hundred eleven million, one hundred twenty-two thousand, one hundred thirty-three".