121110011221012 has 24 divisors (see below), whose sum is σ = 231226454273472. Its totient is φ = 55046092516800.

The previous prime is 121110011220983. The next prime is 121110011221013. The reversal of 121110011221012 is 210122110011121.

121110011221012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121110011221012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110011221013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97188433 + ... + 98426680.

It is an arithmetic number, because the mean of its divisors is an integer number (9634435594728).

Almost surely, 2^{121110011221012} is an apocalyptic number.

It is an amenable number.

121110011221012 is a deficient number, since it is larger than the sum of its proper divisors (110116443052460).

121110011221012 is a wasteful number, since it uses less digits than its factorization.

121110011221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195629199 (or 195629197 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 121110011221012 its reverse (210122110011121), we get a palindrome (331232121232133).

The spelling of 121110011221012 in words is "one hundred twenty-one trillion, one hundred ten billion, eleven million, two hundred twenty-one thousand, twelve".