121111113323012 has 12 divisors (see below), whose sum is σ = 211945277715276. Its totient is φ = 60555319690080.

The previous prime is 121111113322973. The next prime is 121111113323023. The reversal of 121111113323012 is 210323311111121.

It can be written as a sum of positive squares in 2 ways, for example, as 27090630077956 + 94020483245056 = 5204866^2 + 9696416^2 .

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 3 ways as a sum of consecutive naturals, for example, 58090439 + ... + 60139182.

It is an arithmetic number, because the mean of its divisors is an integer number (17662106476273).

Almost surely, 2^{121111113323012} is an apocalyptic number.

It is an amenable number.

121111113323012 is a deficient number, since it is larger than the sum of its proper divisors (90834164392264).

121111113323012 is a wasteful number, since it uses less digits than its factorization.

121111113323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118485718 (or 118485716 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 121111113323012 its reverse (210323311111121), we get a palindrome (331434424434133).

The spelling of 121111113323012 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred thirteen million, three hundred twenty-three thousand, twelve".