102010020211 has 4 divisors (see below), whose sum is σ = 111283658424. Its totient is φ = 92736382000.

The previous prime is 102010020209. The next prime is 102010020253. The reversal of 102010020211 is 112020010201.

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 102010020211 - 2¹ = 102010020209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102010020611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4636819090 + ... + 4636819111.

It is an arithmetic number, because the mean of its divisors is an integer number (27820914606).

Almost surely, 2^102010020211 is an apocalyptic number.

102010020211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102010020211 is a deficient number, since it is larger than the sum of its proper divisors (9273638213).

102010020211 is an equidigital number, since it uses as much as digits as its factorization.

102010020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9273638212.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102010020211 its reverse (112020010201), we get a palindrome (214030030412).

The spelling of 102010020211 in words is "one hundred two billion, ten million, twenty thousand, two hundred eleven".