211201121220202 has 8 divisors (see below), whose sum is σ = 316802605053312. Its totient is φ = 105600252869100.

The previous prime is 211201121220163. The next prime is 211201121220203. The reversal of 211201121220202 is 202022121102112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 211201121220202.

It is not an unprimeable number, because it can be changed into a prime (211201121220203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153011674 + ... + 154385797.

It is an arithmetic number, because the mean of its divisors is an integer number (39600325631664).

Almost surely, 2^{211201121220202} is an apocalyptic number.

211201121220202 is a deficient number, since it is larger than the sum of its proper divisors (105601483833110).

211201121220202 is a wasteful number, since it uses less digits than its factorization.

211201121220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307741004.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211201121220202 its reverse (202022121102112), we get a palindrome (413223242322314).

The spelling of 211201121220202 in words is "two hundred eleven trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty thousand, two hundred two".