102222221011 has 4 divisors (see below), whose sum is σ = 102231793224. Its totient is φ = 102212648800.

The previous prime is 102222220987. The next prime is 102222221021. The reversal of 102222221011 is 110122222201.

It is a happy number.

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 102222221011 - 2³¹ = 100074737363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102222221021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4770070 + ... + 4791451.

It is an arithmetic number, because the mean of its divisors is an integer number (25557948306).

Almost surely, 2^102222221011 is an apocalyptic number.

102222221011 is a deficient number, since it is larger than the sum of its proper divisors (9572213).

102222221011 is an equidigital number, since it uses as much as digits as its factorization.

102222221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9572212.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102222221011 its reverse (110122222201), we get a palindrome (212344443212).

The spelling of 102222221011 in words is "one hundred two billion, two hundred twenty-two million, two hundred twenty-one thousand, eleven".