1022200222111 has 4 divisors (see below), whose sum is σ = 1037456941912. Its totient is φ = 1006943502312.

The previous prime is 1022200222049. The next prime is 1022200222163. The reversal of 1022200222111 is 1112220022201.

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 1022200222111 - 2⁹ = 1022200221599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022200522111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7628359800 + ... + 7628359933.

It is an arithmetic number, because the mean of its divisors is an integer number (259364235478).

Almost surely, 2^{1022200222111} is an apocalyptic number.

1022200222111 is a deficient number, since it is larger than the sum of its proper divisors (15256719801).

1022200222111 is an equidigital number, since it uses as much as digits as its factorization.

1022200222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15256719800.

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

Adding to 1022200222111 its reverse (1112220022201), we get a palindrome (2134420244312).

The spelling of 1022200222111 in words is "one trillion, twenty-two billion, two hundred million, two hundred twenty-two thousand, one hundred eleven".