1022221020011 has 4 divisors (see below), whose sum is σ = 1022241144792. Its totient is φ = 1022200895232.

The previous prime is 1022221019993. The next prime is 1022221020013. The reversal of 1022221020011 is 1100201222201.

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 1022221020011 - 2¹⁴ = 1022221003627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022221020013) 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, 9986006 + ... + 10087851.

It is an arithmetic number, because the mean of its divisors is an integer number (255560286198).

Almost surely, 2^{1022221020011} is an apocalyptic number.

1022221020011 is a deficient number, since it is larger than the sum of its proper divisors (20124781).

1022221020011 is an equidigital number, since it uses as much as digits as its factorization.

1022221020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20124780.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1022221020011 its reverse (1100201222201), we get a palindrome (2122422242212).

The spelling of 1022221020011 in words is "one trillion, twenty-two billion, two hundred twenty-one million, twenty thousand, eleven".