121221022000011 has 8 divisors (see below), whose sum is σ = 161652034711440. Its totient is φ = 80802011977632.

The previous prime is 121221022000007. The next prime is 121221022000021. The reversal of 121221022000011 is 110000220122121.

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

It is not a de Polignac number, because 121221022000011 - 2² = 121221022000007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121221022000021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3000648696 + ... + 3000689093.

It is an arithmetic number, because the mean of its divisors is an integer number (20206504338930).

Almost surely, 2^{121221022000011} is an apocalyptic number.

121221022000011 is a deficient number, since it is larger than the sum of its proper divisors (40431012711429).

121221022000011 is an equidigital number, since it uses as much as digits as its factorization.

121221022000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001344525.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121221022000011 its reverse (110000220122121), we get a palindrome (231221242122132).

The spelling of 121221022000011 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, twenty-two million, eleven", and thus it is an aban number.