2217136347021 has 8 divisors (see below), whose sum is σ = 2956288639744. Its totient is φ = 1478037476160.

The previous prime is 2217136346983. The next prime is 2217136347037. The reversal of 2217136347021 is 1207436317122.

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

It is not a de Polignac number, because 2217136347021 - 2¹⁰ = 2217136345997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217136340021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13258525 + ... + 13424706.

It is an arithmetic number, because the mean of its divisors is an integer number (369536079968).

Almost surely, 2^{2217136347021} is an apocalyptic number.

It is an amenable number.

2217136347021 is a deficient number, since it is larger than the sum of its proper divisors (739152292723).

2217136347021 is a wasteful number, since it uses less digits than its factorization.

2217136347021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26710931.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 2217136347021 in words is "two trillion, two hundred seventeen billion, one hundred thirty-six million, three hundred forty-seven thousand, twenty-one".