102211311122 has 16 divisors (see below), whose sum is σ = 164159612280. Its totient is φ = 47558995968.

The previous prime is 102211311073. The next prime is 102211311151. The reversal of 102211311122 is 221113112201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 52518430561 + 49692880561 = 229169^2 + 222919^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 102211311122.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16885823 + ... + 16891874.

Almost surely, 2^102211311122 is an apocalyptic number.

102211311122 is a deficient number, since it is larger than the sum of its proper divisors (61948301158).

102211311122 is a wasteful number, since it uses less digits than its factorization.

102211311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33777805.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 102211311122 its reverse (221113112201), we get a palindrome (323324423323).

The spelling of 102211311122 in words is "one hundred two billion, two hundred eleven million, three hundred eleven thousand, one hundred twenty-two".