222221020212011 has 16 divisors (see below), whose sum is σ = 226210005504000. Its totient is φ = 218267441128800.

The previous prime is 222221020211989. The next prime is 222221020212041. The reversal of 222221020212011 is 110212020122222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222221020212011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222221020212041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133845620 + ... + 135495726.

It is an arithmetic number, because the mean of its divisors is an integer number (14138125344000).

Almost surely, 2^{222221020212011} is an apocalyptic number.

222221020212011 is a deficient number, since it is larger than the sum of its proper divisors (3988985291989).

222221020212011 is a wasteful number, since it uses less digits than its factorization.

222221020212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660834.

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

Adding to 222221020212011 its reverse (110212020122222), we get a palindrome (332433040334233).

The spelling of 222221020212011 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, twenty million, two hundred twelve thousand, eleven".