121002000221211 has 16 divisors (see below), whose sum is σ = 172900625466624. Its totient is φ = 75075271581024.

The previous prime is 121002000221203. The next prime is 121002000221213. The reversal of 121002000221211 is 112122000200121.

It is not a de Polignac number, because 121002000221211 - 2³ = 121002000221203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121002000221213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23697999841 + ... + 23698004946.

It is an arithmetic number, because the mean of its divisors is an integer number (10806289091664).

Almost surely, 2^{121002000221211} is an apocalyptic number.

121002000221211 is a deficient number, since it is larger than the sum of its proper divisors (51898625245413).

121002000221211 is a wasteful number, since it uses less digits than its factorization.

121002000221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47396004850.

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

Adding to 121002000221211 its reverse (112122000200121), we get a palindrome (233124000421332).

The spelling of 121002000221211 in words is "one hundred twenty-one trillion, two billion, two hundred twenty-one thousand, two hundred eleven".