222021202221011 has 4 divisors (see below), whose sum is σ = 235081272939912. Its totient is φ = 208961131502112.

The previous prime is 222021202221001. The next prime is 222021202221019. The reversal of 222021202221011 is 110122202120222.

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 222021202221011 - 2²² = 222021198026707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222021202221019) 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, 6530035359425 + ... + 6530035359458.

It is an arithmetic number, because the mean of its divisors is an integer number (58770318234978).

Almost surely, 2^{222021202221011} is an apocalyptic number.

222021202221011 is a deficient number, since it is larger than the sum of its proper divisors (13060070718901).

222021202221011 is a wasteful number, since it uses less digits than its factorization.

222021202221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13060070718900.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222021202221011 its reverse (110122202120222), we get a palindrome (332143404341233).

The spelling of 222021202221011 in words is "two hundred twenty-two trillion, twenty-one billion, two hundred two million, two hundred twenty-one thousand, eleven".