102020210211 has 4 divisors (see below), whose sum is σ = 136026946952. Its totient is φ = 68013473472.

The previous prime is 102020210209. The next prime is 102020210239. The reversal of 102020210211 is 112012020201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112012020201 = 3 ⋅37337340067.

It is not a de Polignac number, because 102020210211 - 2¹ = 102020210209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020210711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17003368366 + ... + 17003368371.

It is an arithmetic number, because the mean of its divisors is an integer number (34006736738).

Almost surely, 2^102020210211 is an apocalyptic number.

102020210211 is a deficient number, since it is larger than the sum of its proper divisors (34006736741).

102020210211 is an equidigital number, since it uses as much as digits as its factorization.

102020210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34006736740.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102020210211 its reverse (112012020201), we get a palindrome (214032230412).

The spelling of 102020210211 in words is "one hundred two billion, twenty million, two hundred ten thousand, two hundred eleven".