22135221351241 has 4 divisors (see below), whose sum is σ = 22169753678484. Its totient is φ = 22100689024000.

The previous prime is 22135221351203. The next prime is 22135221351253. The reversal of 22135221351241 is 14215312253122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20841096692025 + 1294124659216 = 4565205^2 + 1137596^2 .

It is a cyclic number.

It is not a de Polignac number, because 22135221351241 - 2¹¹ = 22135221349193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22135221351197 and 22135221351206.

It is not an unprimeable number, because it can be changed into a prime (22135221355241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17266162660 + ... + 17266163941.

It is an arithmetic number, because the mean of its divisors is an integer number (5542438419621).

Almost surely, 2^{22135221351241} is an apocalyptic number.

It is an amenable number.

22135221351241 is a deficient number, since it is larger than the sum of its proper divisors (34532327243).

22135221351241 is an equidigital number, since it uses as much as digits as its factorization.

22135221351241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34532327242.

The product of its digits is 28800, while the sum is 34.

The spelling of 22135221351241 in words is "twenty-two trillion, one hundred thirty-five billion, two hundred twenty-one million, three hundred fifty-one thousand, two hundred forty-one".