110121112201985 has 16 divisors (see below), whose sum is σ = 132651729960960. Its totient is φ = 87759384914880.

The previous prime is 110121112201979. The next prime is 110121112202011. The reversal of 110121112201985 is 589102211121011.

It is a de Polignac number, because none of the positive numbers 2^k-110121112201985 is a prime.

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, 3830144 + ... + 15326846.

It is an arithmetic number, because the mean of its divisors is an integer number (8290733122560).

Almost surely, 2^{110121112201985} is an apocalyptic number.

It is an amenable number.

110121112201985 is a deficient number, since it is larger than the sum of its proper divisors (22530617758975).

110121112201985 is a wasteful number, since it uses less digits than its factorization.

110121112201985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11504048.

The product of its (nonzero) digits is 2880, while the sum is 35.

Adding to 110121112201985 its reverse (589102211121011), we get a palindrome (699223323322996).

The spelling of 110121112201985 in words is "one hundred ten trillion, one hundred twenty-one billion, one hundred twelve million, two hundred one thousand, nine hundred eighty-five".