102221112011 has 4 divisors (see below), whose sum is σ = 102416563992. Its totient is φ = 102025660032.

The previous prime is 102221112001. The next prime is 102221112017. The reversal of 102221112011 is 110211122201.

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 102221112011 - 2⁶ = 102221111947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102221112017) 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, 97725206 + ... + 97726251.

It is an arithmetic number, because the mean of its divisors is an integer number (25604140998).

Almost surely, 2^102221112011 is an apocalyptic number.

102221112011 is a deficient number, since it is larger than the sum of its proper divisors (195451981).

102221112011 is an equidigital number, since it uses as much as digits as its factorization.

102221112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195451980.

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

Adding to 102221112011 its reverse (110211122201), we get a palindrome (212432234212).

The spelling of 102221112011 in words is "one hundred two billion, two hundred twenty-one million, one hundred twelve thousand, eleven".