121000211111012 has 48 divisors (see below), whose sum is σ = 213104960140800. Its totient is φ = 60113677478400.

The previous prime is 121000211111009. The next prime is 121000211111047. The reversal of 121000211111012 is 210111112000121.

121000211111012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 7148346893 + ... + 7148363819.

It is an arithmetic number, because the mean of its divisors is an integer number (4439686669600).

Almost surely, 2^{121000211111012} is an apocalyptic number.

It is an amenable number.

121000211111012 is a deficient number, since it is larger than the sum of its proper divisors (92104749029788).

121000211111012 is a wasteful number, since it uses less digits than its factorization.

121000211111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25092 (or 25090 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121000211111012 its reverse (210111112000121), we get a palindrome (331111323111133).

The spelling of 121000211111012 in words is "one hundred twenty-one trillion, two hundred eleven million, one hundred eleven thousand, twelve".