2215031244241 has 4 divisors (see below), whose sum is σ = 2215035032500. Its totient is φ = 2215027455984.

The previous prime is 2215031244221. The next prime is 2215031244253. The reversal of 2215031244241 is 1424421305122.

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 2212147554241 + 2883690000 = 1487329^2 + 53700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215031244241 - 2⁷ = 2215031244113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215031244221) 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, 810366 + ... + 2255383.

It is an arithmetic number, because the mean of its divisors is an integer number (553758758125).

Almost surely, 2^{2215031244241} is an apocalyptic number.

It is an amenable number.

2215031244241 is a deficient number, since it is larger than the sum of its proper divisors (3788259).

2215031244241 is an equidigital number, since it uses as much as digits as its factorization.

2215031244241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788258.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 2215031244241 its reverse (1424421305122), we get a palindrome (3639452549363).

The spelling of 2215031244241 in words is "two trillion, two hundred fifteen billion, thirty-one million, two hundred forty-four thousand, two hundred forty-one".