2201220099965 has 8 divisors (see below), whose sum is σ = 2641477962840. Its totient is φ = 1760966851392.

The previous prime is 2201220099943. The next prime is 2201220099977. The reversal of 2201220099965 is 5699900221022.

It can be written as a sum of positive squares in 4 ways, for example, as 2114988121 + 2199105111844 = 45989^2 + 1482938^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2201220099965 - 2¹⁸ = 2201219837821 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971 + ... + 2098199.

It is an arithmetic number, because the mean of its divisors is an integer number (330184745355).

Almost surely, 2^{2201220099965} is an apocalyptic number.

It is an amenable number.

2201220099965 is a deficient number, since it is larger than the sum of its proper divisors (440257862875).

2201220099965 is a wasteful number, since it uses less digits than its factorization.

2201220099965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307151.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 2201220099965 in words is "two trillion, two hundred one billion, two hundred twenty million, ninety-nine thousand, nine hundred sixty-five".