202102200101211 has 4 divisors (see below), whose sum is σ = 269469600134952. Its totient is φ = 134734800067472.

The previous prime is 202102200101147. The next prime is 202102200101213. The reversal of 202102200101211 is 112101002201202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202102200101211 - 2⁶ = 202102200101147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202102200101213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33683700016866 + ... + 33683700016871.

It is an arithmetic number, because the mean of its divisors is an integer number (67367400033738).

Almost surely, 2^{202102200101211} is an apocalyptic number.

202102200101211 is a deficient number, since it is larger than the sum of its proper divisors (67367400033741).

202102200101211 is an equidigital number, since it uses as much as digits as its factorization.

202102200101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67367400033740.

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

Adding to 202102200101211 its reverse (112101002201202), we get a palindrome (314203202302413).

The spelling of 202102200101211 in words is "two hundred two trillion, one hundred two billion, two hundred million, one hundred one thousand, two hundred eleven".