202120110100211 has 4 divisors (see below), whose sum is σ = 202123562665632. Its totient is φ = 202116657534792.

The previous prime is 202120110100187. The next prime is 202120110100261. The reversal of 202120110100211 is 112001011021202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202120110100211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202120110100261) 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, 1726194896 + ... + 1726311981.

It is an arithmetic number, because the mean of its divisors is an integer number (50530890666408).

Almost surely, 2^{202120110100211} is an apocalyptic number.

202120110100211 is a deficient number, since it is larger than the sum of its proper divisors (3452565421).

202120110100211 is an equidigital number, since it uses as much as digits as its factorization.

202120110100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452565420.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202120110100211 its reverse (112001011021202), we get a palindrome (314121121121413).

The spelling of 202120110100211 in words is "two hundred two trillion, one hundred twenty billion, one hundred ten million, one hundred thousand, two hundred eleven".