121001102110012 has 12 divisors (see below), whose sum is σ = 220958534288016. Its totient is φ = 57870092313440.

The previous prime is 121001102109959. The next prime is 121001102110039. The reversal of 121001102110012 is 210011201100121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121001102109974 and 121001102110001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657614685289 + ... + 657614685472.

It is an arithmetic number, because the mean of its divisors is an integer number (18413211190668).

Almost surely, 2^{121001102110012} is an apocalyptic number.

It is an amenable number.

121001102110012 is a deficient number, since it is larger than the sum of its proper divisors (99957432178004).

121001102110012 is a wasteful number, since it uses less digits than its factorization.

121001102110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315229370788 (or 1315229370786 counting only the distinct ones).

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

Adding to 121001102110012 its reverse (210011201100121), we get a palindrome (331012303210133).

The spelling of 121001102110012 in words is "one hundred twenty-one trillion, one billion, one hundred two million, one hundred ten thousand, twelve".