221222020022011 has 8 divisors (see below), whose sum is σ = 222021614391264. Its totient is φ = 220422432552000.

The previous prime is 221222020021973. The next prime is 221222020022023. The reversal of 221222020022011 is 110220020222122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221222020022011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221222020022011.

It is not an unprimeable number, because it can be changed into a prime (221222020022051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67537386 + ... + 70737136.

It is an arithmetic number, because the mean of its divisors is an integer number (27752701798908).

Almost surely, 2^{221222020022011} is an apocalyptic number.

221222020022011 is a deficient number, since it is larger than the sum of its proper divisors (799594369253).

221222020022011 is a wasteful number, since it uses less digits than its factorization.

221222020022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449621.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221222020022011 its reverse (110220020222122), we get a palindrome (331442040244133).

The spelling of 221222020022011 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, twenty million, twenty-two thousand, eleven".