222221210000011 has 2 divisors, whose sum is σ = 222221210000012. Its totient is φ = 222221210000010.

The previous prime is 222221209999931. The next prime is 222221210000021. The reversal of 222221210000011 is 110000012122222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222221210000011 - 2⁷ = 222221209999883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222221210000011.

It is not a weakly prime, because it can be changed into another prime (222221210000021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110605000005 + 111110605000006.

It is an arithmetic number, because the mean of its divisors is an integer number (111110605000006).

Almost surely, 2^{222221210000011} is an apocalyptic number.

222221210000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

222221210000011 is an equidigital number, since it uses as much as digits as its factorization.

222221210000011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222221210000011 its reverse (110000012122222), we get a palindrome (332221222122233).

The spelling of 222221210000011 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred ten million, eleven", and thus it is an aban number.