222222222012011 has 16 divisors (see below), whose sum is σ = 247464256881408. Its totient is φ = 198167125708800.

The previous prime is 222222222011941. The next prime is 222222222012029. The reversal of 222222222012011 is 110210222222222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222222222012011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222222222012071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477601010 + ... + 478066071.

It is an arithmetic number, because the mean of its divisors is an integer number (15466516055088).

Almost surely, 2^{222222222012011} is an apocalyptic number.

222222222012011 is a deficient number, since it is larger than the sum of its proper divisors (25242034869397).

222222222012011 is a wasteful number, since it uses less digits than its factorization.

222222222012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955667702.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222222222012011 its reverse (110210222222222), we get a palindrome (332432444234233).

The spelling of 222222222012011 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred twenty-two million, twelve thousand, eleven".