11121201112170 has 32 divisors (see below), whose sum is σ = 26829177412032. Its totient is φ = 2950287547392.

The previous prime is 11121201112169. The next prime is 11121201112247. The reversal of 11121201112170 is 7121110212111.

It is a super-2 number, since 2×11121201112170² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960374272 + ... + 960385851.

It is an arithmetic number, because the mean of its divisors is an integer number (838411794126).

Almost surely, 2^{11121201112170} is an apocalyptic number.

11121201112170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121201112170 is an abundant number, since it is smaller than the sum of its proper divisors (15707976299862).

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

11121201112170 is a wasteful number, since it uses less digits than its factorization.

11121201112170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920760326.

The product of its (nonzero) digits is 56, while the sum is 21.

Adding to 11121201112170 its reverse (7121110212111), we get a palindrome (18242311324281).

The spelling of 11121201112170 in words is "eleven trillion, one hundred twenty-one billion, two hundred one million, one hundred twelve thousand, one hundred seventy".