121002111122212 has 12 divisors (see below), whose sum is σ = 212225306258700. Its totient is φ = 60366309334016.

The previous prime is 121002111122129. The next prime is 121002111122219. The reversal of 121002111122212 is 212221111200121.

It is a happy number.

121002111122212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 30567032332516 + 90435078789696 = 5528746^2 + 9509736^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121002111122212.

It is not an unprimeable number, because it can be changed into a prime (121002111122219) 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, 33686554753 + ... + 33686558344.

It is an arithmetic number, because the mean of its divisors is an integer number (17685442188225).

Almost surely, 2^{121002111122212} is an apocalyptic number.

It is an amenable number.

121002111122212 is a deficient number, since it is larger than the sum of its proper divisors (91223195136488).

121002111122212 is a wasteful number, since it uses less digits than its factorization.

121002111122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67373113550 (or 67373113548 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121002111122212 its reverse (212221111200121), we get a palindrome (333223222322333).

The spelling of 121002111122212 in words is "one hundred twenty-one trillion, two billion, one hundred eleven million, one hundred twenty-two thousand, two hundred twelve".