1022113221011 has 4 divisors (see below), whose sum is σ = 1022117482872. Its totient is φ = 1022108959152.

The previous prime is 1022113220903. The next prime is 1022113221061. The reversal of 1022113221011 is 1101223112201.

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 1022113221011 - 2¹⁰ = 1022113219987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022113221061) 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, 1748285 + ... + 2258478.

It is an arithmetic number, because the mean of its divisors is an integer number (255529370718).

Almost surely, 2^{1022113221011} is an apocalyptic number.

1022113221011 is a deficient number, since it is larger than the sum of its proper divisors (4261861).

1022113221011 is an equidigital number, since it uses as much as digits as its factorization.

1022113221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261860.

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

Adding to 1022113221011 its reverse (1101223112201), we get a palindrome (2123336333212).

The spelling of 1022113221011 in words is "one trillion, twenty-two billion, one hundred thirteen million, two hundred twenty-one thousand, eleven".