222012012011 has 4 divisors (see below), whose sum is σ = 226200917952. Its totient is φ = 217823106072.

The previous prime is 222012011993. The next prime is 222012012049. The reversal of 222012012011 is 110210210222.

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 222012012011 - 2¹⁴ = 222011995627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222012012511) 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 3 ways as a sum of consecutive naturals, for example, 2094452891 + ... + 2094452996.

It is an arithmetic number, because the mean of its divisors is an integer number (56550229488).

Almost surely, 2^222012012011 is an apocalyptic number.

222012012011 is a deficient number, since it is larger than the sum of its proper divisors (4188905941).

222012012011 is an equidigital number, since it uses as much as digits as its factorization.

222012012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188905940.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222012012011 its reverse (110210210222), we get a palindrome (332222222233).

The spelling of 222012012011 in words is "two hundred twenty-two billion, twelve million, twelve thousand, eleven".