121100200111012 has 12 divisors (see below), whose sum is σ = 211938603095296. Its totient is φ = 60546313512360.

The previous prime is 121100200110979. The next prime is 121100200111019. The reversal of 121100200111012 is 210111002001121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121100200110983 and 121100200111001.

It is not an unprimeable number, because it can be changed into a prime (121100200111019) 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, 946563828 + ... + 946691755.

Almost surely, 2^{121100200111012} is an apocalyptic number.

It is an amenable number.

121100200111012 is a deficient number, since it is larger than the sum of its proper divisors (90838402984284).

121100200111012 is a wasteful number, since it uses less digits than its factorization.

121100200111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893271578 (or 1893271576 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121100200111012 its reverse (210111002001121), we get a palindrome (331211202112133).

The spelling of 121100200111012 in words is "one hundred twenty-one trillion, one hundred billion, two hundred million, one hundred eleven thousand, twelve".