121101100201012 has 24 divisors (see below), whose sum is σ = 212240014144704. Its totient is φ = 60461113101312.

The previous prime is 121101100200953. The next prime is 121101100201021. The reversal of 121101100201012 is 210102001101121.

It is a happy number.

121101100201012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121101100200983 and 121101100201001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26551743 + ... + 30776569.

It is an arithmetic number, because the mean of its divisors is an integer number (8843333922696).

Almost surely, 2^{121101100201012} is an apocalyptic number.

It is an amenable number.

121101100201012 is a deficient number, since it is larger than the sum of its proper divisors (91138913943692).

121101100201012 is a wasteful number, since it uses less digits than its factorization.

121101100201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235415 (or 4235413 counting only the distinct ones).

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

Adding to 121101100201012 its reverse (210102001101121), we get a palindrome (331203101302133).

The spelling of 121101100201012 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred million, two hundred one thousand, twelve".