121102220012 has 12 divisors (see below), whose sum is σ = 212862494040. Its totient is φ = 60284364576.

The previous prime is 121102220011. The next prime is 121102220053. The reversal of 121102220012 is 210022201121.

It is not an unprimeable number, because it can be changed into a prime (121102220011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66685337 + ... + 66687152.

It is an arithmetic number, because the mean of its divisors is an integer number (17738541170).

Almost surely, 2^121102220012 is an apocalyptic number.

It is an amenable number.

121102220012 is a deficient number, since it is larger than the sum of its proper divisors (91760274028).

121102220012 is a wasteful number, since it uses less digits than its factorization.

121102220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133372720 (or 133372718 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121102220012 its reverse (210022201121), we get a palindrome (331124421133).

The spelling of 121102220012 in words is "one hundred twenty-one billion, one hundred two million, two hundred twenty thousand, twelve".