11211102022222 has 4 divisors (see below), whose sum is σ = 16816653033336. Its totient is φ = 5605551011110.

The previous prime is 11211102022067. The next prime is 11211102022271. The reversal of 11211102022222 is 22222020111211.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11211102022222.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2802775505554 + ... + 2802775505557.

It is an arithmetic number, because the mean of its divisors is an integer number (4204163258334).

Almost surely, 2^{11211102022222} is an apocalyptic number.

11211102022222 is a deficient number, since it is larger than the sum of its proper divisors (5605551011114).

11211102022222 is an equidigital number, since it uses as much as digits as its factorization.

11211102022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605551011113.

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

Adding to 11211102022222 its reverse (22222020111211), we get a palindrome (33433122133433).

The spelling of 11211102022222 in words is "eleven trillion, two hundred eleven billion, one hundred two million, twenty-two thousand, two hundred twenty-two".