11211002222122 has 8 divisors (see below), whose sum is σ = 16816619736900. Its totient is φ = 5605462309824.

The previous prime is 11211002222117. The next prime is 11211002222153. The reversal of 11211002222122 is 22122220011211.

It can be written as a sum of positive squares in 2 ways, for example, as 9886364659081 + 1324637563041 = 3144259^2 + 1150929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11211002222122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19038097 + ... + 19618132.

Almost surely, 2^{11211002222122} is an apocalyptic number.

11211002222122 is a deficient number, since it is larger than the sum of its proper divisors (5605617514778).

11211002222122 is a wasteful number, since it uses less digits than its factorization.

11211002222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38801240.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11211002222122 its reverse (22122220011211), we get a palindrome (33333222233333).

The spelling of 11211002222122 in words is "eleven trillion, two hundred eleven billion, two million, two hundred twenty-two thousand, one hundred twenty-two".