1111222120170 has 32 divisors (see below), whose sum is σ = 2667019118400. Its totient is φ = 296316339840.

The previous prime is 1111222120123. The next prime is 1111222120171. The reversal of 1111222120170 is 710212221111.

It is not an unprimeable number, because it can be changed into a prime (1111222120171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373965 + ... + 1536975.

It is an arithmetic number, because the mean of its divisors is an integer number (83344347450).

Almost surely, 2^{1111222120170} is an apocalyptic number.

1111222120170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111222120170 is an abundant number, since it is smaller than the sum of its proper divisors (1555796998230).

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

1111222120170 is a wasteful number, since it uses less digits than its factorization.

1111222120170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194870.

The product of its (nonzero) digits is 112, while the sum is 21.

Adding to 1111222120170 its reverse (710212221111), we get a palindrome (1821434341281).

The spelling of 1111222120170 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, one hundred twenty thousand, one hundred seventy".