20211202101211 has 8 divisors (see below), whose sum is σ = 22049185117104. Its totient is φ = 18373319253120.

The previous prime is 20211202101191. The next prime is 20211202101271. The reversal of 20211202101211 is 11210120211202.

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 20211202101211 - 2⁹ = 20211202100699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211202101271) 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 7 ways as a sum of consecutive naturals, for example, 24619746 + ... + 25427431.

It is an arithmetic number, because the mean of its divisors is an integer number (2756148139638).

Almost surely, 2^{20211202101211} is an apocalyptic number.

20211202101211 is a deficient number, since it is larger than the sum of its proper divisors (1837983015893).

20211202101211 is a wasteful number, since it uses less digits than its factorization.

20211202101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50083901.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20211202101211 its reverse (11210120211202), we get a palindrome (31421322312413).

The spelling of 20211202101211 in words is "twenty trillion, two hundred eleven billion, two hundred two million, one hundred one thousand, two hundred eleven".