2011011612170 has 128 divisors (see below), whose sum is σ = 4247557263360. Its totient is φ = 677667790080.

The previous prime is 2011011612157. The next prime is 2011011612187. The reversal of 2011011612170 is 712161101102.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 216396044 + ... + 216405336.

It is an arithmetic number, because the mean of its divisors is an integer number (33184041120).

Almost surely, 2^{2011011612170} is an apocalyptic number.

2011011612170 is an abundant number, since it is smaller than the sum of its proper divisors (2236545651190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011011612170 is a wasteful number, since it uses less digits than its factorization.

2011011612170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11580.

The product of its (nonzero) digits is 168, while the sum is 23.

Adding to 2011011612170 its reverse (712161101102), we get a palindrome (2723172713272).

The spelling of 2011011612170 in words is "two trillion, eleven billion, eleven million, six hundred twelve thousand, one hundred seventy".