121110102121011 has 16 divisors (see below), whose sum is σ = 168517132521216. Its totient is φ = 77222241603936.

The previous prime is 121110102120991. The next prime is 121110102121037. The reversal of 121110102121011 is 110121201011121.

It is not a de Polignac number, because 121110102121011 - 2¹¹ = 121110102118963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121110102121711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83236405 + ... + 84678918.

It is an arithmetic number, because the mean of its divisors is an integer number (10532320782576).

Almost surely, 2^{121110102121011} is an apocalyptic number.

121110102121011 is a deficient number, since it is larger than the sum of its proper divisors (47407030400205).

121110102121011 is a wasteful number, since it uses less digits than its factorization.

121110102121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167925802.

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

Adding to 121110102121011 its reverse (110121201011121), we get a palindrome (231231303132132).

The spelling of 121110102121011 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred two million, one hundred twenty-one thousand, eleven".