121010010111118 has 16 divisors (see below), whose sum is σ = 190387226954304. Its totient is φ = 57617187101280.

The previous prime is 121010010111101. The next prime is 121010010111157. The reversal of 121010010111118 is 811111010010121.

It is a junction number, because it is equal to n+sod(n) for n = 121010010111095 and 121010010111104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17396490213 + ... + 17396497168.

It is an arithmetic number, because the mean of its divisors is an integer number (11899201684644).

Almost surely, 2^{121010010111118} is an apocalyptic number.

121010010111118 is a deficient number, since it is larger than the sum of its proper divisors (69377216843186).

121010010111118 is a wasteful number, since it uses less digits than its factorization.

121010010111118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34792987467.

The product of its (nonzero) digits is 16, while the sum is 19.

Adding to 121010010111118 its reverse (811111010010121), we get a palindrome (932121020121239).

The spelling of 121010010111118 in words is "one hundred twenty-one trillion, ten billion, ten million, one hundred eleven thousand, one hundred eighteen".