311101222000121 has 8 divisors (see below), whose sum is σ = 357673261223040. Its totient is φ = 265061434654368.

The previous prime is 311101222000117. The next prime is 311101222000201. The reversal of 311101222000121 is 121000222101113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311101222000121 - 2² = 311101222000117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311101222000121.

It is not an unprimeable number, because it can be changed into a prime (311101222000111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133062968036 + ... + 133062970373.

It is an arithmetic number, because the mean of its divisors is an integer number (44709157652880).

Almost surely, 2^{311101222000121} is an apocalyptic number.

It is an amenable number.

311101222000121 is a deficient number, since it is larger than the sum of its proper divisors (46572039222919).

311101222000121 is a wasteful number, since it uses less digits than its factorization.

311101222000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266125938583.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 311101222000121 its reverse (121000222101113), we get a palindrome (432101444101234).

The spelling of 311101222000121 in words is "three hundred eleven trillion, one hundred one billion, two hundred twenty-two million, one hundred twenty-one", and thus it is an aban number.