121131031033 has 16 divisors (see below), whose sum is σ = 122197832064. Its totient is φ = 120070287360.

The previous prime is 121131031019. The next prime is 121131031061. The reversal of 121131031033 is 330130131121.

It is a cyclic number.

It is not a de Polignac number, because 121131031033 - 2⁹ = 121131030521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121131031033.

It is not an unprimeable number, because it can be changed into a prime (121131031093) 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, 83711116 + ... + 83712562.

It is an arithmetic number, because the mean of its divisors is an integer number (7637364504).

Almost surely, 2^121131031033 is an apocalyptic number.

It is an amenable number.

121131031033 is a deficient number, since it is larger than the sum of its proper divisors (1066801031).

121131031033 is a wasteful number, since it uses less digits than its factorization.

121131031033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 121131031033 its reverse (330130131121), we get a palindrome (451261162154).

The spelling of 121131031033 in words is "one hundred twenty-one billion, one hundred thirty-one million, thirty-one thousand, thirty-three".