22111455411121 has 8 divisors (see below), whose sum is σ = 23469371636040. Its totient is φ = 20759899450368.

The previous prime is 22111455410977. The next prime is 22111455411187. The reversal of 22111455411121 is 12111455411122.

It can be written as a sum of positive squares in 4 ways, for example, as 17824439610000 + 4287015801121 = 4221900^2 + 2070511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22111455411121 - 2¹³ = 22111455402929 is a prime.

It is a super-2 number, since 2×22111455411121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111455412121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590058876 + ... + 1590072781.

It is an arithmetic number, because the mean of its divisors is an integer number (2933671454505).

Almost surely, 2^{22111455411121} is an apocalyptic number.

It is an amenable number.

22111455411121 is a deficient number, since it is larger than the sum of its proper divisors (1357916224919).

22111455411121 is a wasteful number, since it uses less digits than its factorization.

22111455411121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180132083.

The product of its digits is 3200, while the sum is 31.

Subtracting from 22111455411121 its reverse (12111455411122), we obtain a palindrome (9999999999999).

The spelling of 22111455411121 in words is "twenty-two trillion, one hundred eleven billion, four hundred fifty-five million, four hundred eleven thousand, one hundred twenty-one".