121101001110 has 96 divisors (see below), whose sum is σ = 334523442240. Its totient is φ = 30337300224.

The previous prime is 121101001061. The next prime is 121101001127. The reversal of 121101001110 is 11100101121.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 121101001092 and 121101001101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 530442 + ... + 723581.

It is an arithmetic number, because the mean of its divisors is an integer number (3484619190).

Almost surely, 2^121101001110 is an apocalyptic number.

121101001110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121101001110 is an abundant number, since it is smaller than the sum of its proper divisors (213422441130).

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

121101001110 is a wasteful number, since it uses less digits than its factorization.

121101001110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254102 (or 1254099 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 121101001110 its reverse (11100101121), we get a palindrome (132201102231).

The spelling of 121101001110 in words is "one hundred twenty-one billion, one hundred one million, one thousand, one hundred ten".