22021123411 has 16 divisors (see below), whose sum is σ = 25786897920. Its totient is φ = 18410541120.

The previous prime is 22021123409. The next prime is 22021123429. The reversal of 22021123411 is 11432112022.

It is a cyclic number.

It is not a de Polignac number, because 22021123411 - 2¹ = 22021123409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22021123441) 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 15 ways as a sum of consecutive naturals, for example, 1953730 + ... + 1964968.

It is an arithmetic number, because the mean of its divisors is an integer number (1611681120).

Almost surely, 2^22021123411 is an apocalyptic number.

22021123411 is a deficient number, since it is larger than the sum of its proper divisors (3765774509).

22021123411 is a wasteful number, since it uses less digits than its factorization.

22021123411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18114.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22021123411 its reverse (11432112022), we get a palindrome (33453235433).

The spelling of 22021123411 in words is "twenty-two billion, twenty-one million, one hundred twenty-three thousand, four hundred eleven".