22021111341 has 6 divisors (see below), whose sum is σ = 31808271950. Its totient is φ = 14680740888.

The previous prime is 22021111339. The next prime is 22021111363. The reversal of 22021111341 is 14311112022.

It can be written as a sum of positive squares in only one way, i.e., 21947237316 + 73874025 = 148146^2 + 8595^2 .

It is not a de Polignac number, because 22021111341 - 2¹ = 22021111339 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021111331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1223395066 + ... + 1223395083.

Almost surely, 2^22021111341 is an apocalyptic number.

It is an amenable number.

22021111341 is a deficient number, since it is larger than the sum of its proper divisors (9787160609).

22021111341 is a wasteful number, since it uses less digits than its factorization.

22021111341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446790155 (or 2446790152 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 22021111341 its reverse (14311112022), we get a palindrome (36332223363).

The spelling of 22021111341 in words is "twenty-two billion, twenty-one million, one hundred eleven thousand, three hundred forty-one".