102211202011 has 4 divisors (see below), whose sum is σ = 102212763832. Its totient is φ = 102209640192.

The previous prime is 102211201991. The next prime is 102211202021. The reversal of 102211202011 is 110202112201.

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 102211202011 - 2¹¹ = 102211199963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102211201982 and 102211202000.

It is not an unprimeable number, because it can be changed into a prime (102211202021) 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, 678246 + ... + 815131.

It is an arithmetic number, because the mean of its divisors is an integer number (25553190958).

Almost surely, 2^102211202011 is an apocalyptic number.

102211202011 is a deficient number, since it is larger than the sum of its proper divisors (1561821).

102211202011 is an equidigital number, since it uses as much as digits as its factorization.

102211202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561820.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102211202011 its reverse (110202112201), we get a palindrome (212413314212).

The spelling of 102211202011 in words is "one hundred two billion, two hundred eleven million, two hundred two thousand, eleven".