121102111120110 has 32 divisors (see below), whose sum is σ = 296829004280832. Its totient is φ = 31606792121760.

The previous prime is 121102111120093. The next prime is 121102111120121. The reversal of 121102111120110 is 11021111201121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121102111120110.

It is a congruent number.

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, 42944009626 + ... + 42944012445.

It is an arithmetic number, because the mean of its divisors is an integer number (9275906383776).

Almost surely, 2^{121102111120110} is an apocalyptic number.

121102111120110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121102111120110 is an abundant number, since it is smaller than the sum of its proper divisors (175726893160722).

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

121102111120110 is a wasteful number, since it uses less digits than its factorization.

121102111120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85888022128.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 121102111120110 its reverse (11021111201121), we get a palindrome (132123222321231).

The spelling of 121102111120110 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred eleven million, one hundred twenty thousand, one hundred ten".