121105275716 has 12 divisors (see below), whose sum is σ = 224400952188. Its totient is φ = 56990717952.

The previous prime is 121105275689. The next prime is 121105275719. The reversal of 121105275716 is 617572501121.

It can be written as a sum of positive squares in 2 ways, for example, as 41075128900 + 80030146816 = 202670^2 + 282896^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121105275716.

It is not an unprimeable number, because it can be changed into a prime (121105275719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890479901 + ... + 890480036.

It is an arithmetic number, because the mean of its divisors is an integer number (18700079349).

Almost surely, 2^121105275716 is an apocalyptic number.

It is an amenable number.

121105275716 is a deficient number, since it is larger than the sum of its proper divisors (103295676472).

121105275716 is a wasteful number, since it uses less digits than its factorization.

121105275716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780959958 (or 1780959956 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 38.

Adding to 121105275716 its reverse (617572501121), we get a palindrome (738677776837).

The spelling of 121105275716 in words is "one hundred twenty-one billion, one hundred five million, two hundred seventy-five thousand, seven hundred sixteen".