1105832021217 has 24 divisors (see below), whose sum is σ = 1871092402272. Its totient is φ = 574458192000.

The previous prime is 1105832021197. The next prime is 1105832021267. The reversal of 1105832021217 is 7121202385011.

It is not a de Polignac number, because 1105832021217 - 2¹¹ = 1105832019169 is a prime.

It is a super-2 number, since 2×1105832021217² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1105832021267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341937784 + ... + 341941017.

It is an arithmetic number, because the mean of its divisors is an integer number (77962183428).

Almost surely, 2^{1105832021217} is an apocalyptic number.

It is an amenable number.

1105832021217 is a deficient number, since it is larger than the sum of its proper divisors (765260381055).

1105832021217 is a wasteful number, since it uses less digits than its factorization.

1105832021217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683878829 (or 683878822 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

The spelling of 1105832021217 in words is "one trillion, one hundred five billion, eight hundred thirty-two million, twenty-one thousand, two hundred seventeen".