121100311223312 has 20 divisors (see below), whose sum is σ = 234903732341760. Its totient is φ = 60479993199648.

The previous prime is 121100311223303. The next prime is 121100311223347. The reversal of 121100311223312 is 213322113001121.

It is a happy number.

121100311223312 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4385136512 + ... + 4385164127.

It is an arithmetic number, because the mean of its divisors is an integer number (11745186617088).

Almost surely, 2^{121100311223312} is an apocalyptic number.

It is an amenable number.

121100311223312 is a deficient number, since it is larger than the sum of its proper divisors (113803421118448).

121100311223312 is an equidigital number, since it uses as much as digits as its factorization.

121100311223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8770301510 (or 8770301504 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 121100311223312 its reverse (213322113001121), we get a palindrome (334422424224433).

The spelling of 121100311223312 in words is "one hundred twenty-one trillion, one hundred billion, three hundred eleven million, two hundred twenty-three thousand, three hundred twelve".