121201200211 has 8 divisors (see below), whose sum is σ = 149170708064. Its totient is φ = 95895455040.

The previous prime is 121201200191. The next prime is 121201200233. The reversal of 121201200211 is 112002102121.

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

It is not a de Polignac number, because 121201200211 - 2¹³ = 121201192019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 121201200191 and 121201200200.

It is not an unprimeable number, because it can be changed into a prime (121201200251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665940570 + ... + 665940751.

It is an arithmetic number, because the mean of its divisors is an integer number (18646338508).

Almost surely, 2^121201200211 is an apocalyptic number.

121201200211 is a deficient number, since it is larger than the sum of its proper divisors (27969507853).

121201200211 is a wasteful number, since it uses less digits than its factorization.

121201200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331881341.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121201200211 its reverse (112002102121), we get a palindrome (233203302332).

The spelling of 121201200211 in words is "one hundred twenty-one billion, two hundred one million, two hundred thousand, two hundred eleven".