22011441123 has 32 divisors (see below), whose sum is σ = 34044313600. Its totient is φ = 12390052896.

The previous prime is 22011441091. The next prime is 22011441131. The reversal of 22011441123 is 32114411022.

It is not a de Polignac number, because 22011441123 - 2⁵ = 22011441091 is a prime.

It is a super-2 number, since 2×22011441123² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 22011441123.

It is not an unprimeable number, because it can be changed into a prime (22011441173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 713190 + ... + 743412.

It is an arithmetic number, because the mean of its divisors is an integer number (1063884800).

Almost surely, 2^22011441123 is an apocalyptic number.

22011441123 is a deficient number, since it is larger than the sum of its proper divisors (12032872477).

22011441123 is a wasteful number, since it uses less digits than its factorization.

22011441123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30751.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22011441123 its reverse (32114411022), we get a palindrome (54125852145).

The spelling of 22011441123 in words is "twenty-two billion, eleven million, four hundred forty-one thousand, one hundred twenty-three".