1022222202011 has 4 divisors (see below), whose sum is σ = 1022548064952. Its totient is φ = 1021896339072.

The previous prime is 1022222201953. The next prime is 1022222202019. The reversal of 1022222202011 is 1102022222201.

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 1022222202011 - 2³⁸ = 747344295067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022222202019) by changing a digit.

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, 162926765 + ... + 162933038.

It is an arithmetic number, because the mean of its divisors is an integer number (255637016238).

Almost surely, 2^{1022222202011} is an apocalyptic number.

1022222202011 is a deficient number, since it is larger than the sum of its proper divisors (325862941).

1022222202011 is an equidigital number, since it uses as much as digits as its factorization.

1022222202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325862940.

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

Adding to 1022222202011 its reverse (1102022222201), we get a palindrome (2124244424212).

The spelling of 1022222202011 in words is "one trillion, twenty-two billion, two hundred twenty-two million, two hundred two thousand, eleven".