2201106665505 has 48 divisors (see below), whose sum is σ = 3978980576064. Its totient is φ = 1030403055360.

The previous prime is 2201106665491. The next prime is 2201106665533. The reversal of 2201106665505 is 5055666011022.

It is a happy number.

It is not a de Polignac number, because 2201106665505 - 2⁴ = 2201106665489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7792294 + ... + 8069823.

It is an arithmetic number, because the mean of its divisors is an integer number (82895428668).

Almost surely, 2^{2201106665505} is an apocalyptic number.

It is an amenable number.

2201106665505 is a deficient number, since it is larger than the sum of its proper divisors (1777873910559).

2201106665505 is a wasteful number, since it uses less digits than its factorization.

2201106665505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15862194 (or 15862165 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 2201106665505 in words is "two trillion, two hundred one billion, one hundred six million, six hundred sixty-five thousand, five hundred five".