102222222011 has 72 divisors (see below), whose sum is σ = 137181924000. Its totient is φ = 74324210688.

The previous prime is 102222221989. The next prime is 102222222017. The reversal of 102222222011 is 110222222201.

It is a happy number.

It is not a de Polignac number, because 102222222011 - 2¹⁰ = 102222220987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102222222017) 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 71 ways as a sum of consecutive naturals, for example, 37183865 + ... + 37186613.

It is an arithmetic number, because the mean of its divisors is an integer number (1905304500).

Almost surely, 2^102222222011 is an apocalyptic number.

102222222011 is a deficient number, since it is larger than the sum of its proper divisors (34959701989).

102222222011 is a wasteful number, since it uses less digits than its factorization.

102222222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885 (or 2829 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102222222011 its reverse (110222222201), we get a palindrome (212444444212).

The spelling of 102222222011 in words is "one hundred two billion, two hundred twenty-two million, two hundred twenty-two thousand, eleven".