220012011 has 32 divisors (see below), whose sum is σ = 347846400. Its totient is φ = 136955520.

The previous prime is 220012007. The next prime is 220012049. The reversal of 220012011 is 110210022.

It is not a de Polignac number, because 220012011 - 2² = 220012007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 220011984 and 220012002.

It is not an unprimeable number, because it can be changed into a prime (220012081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58300 + ... + 61958.

It is an arithmetic number, because the mean of its divisors is an integer number (10870200).

Almost surely, 2^220012011 is an apocalyptic number.

220012011 is a deficient number, since it is larger than the sum of its proper divisors (127834389).

220012011 is a wasteful number, since it uses less digits than its factorization.

220012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816 (or 3810 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 220012011 is about 14832.8018593926. The cubic root of 220012011 is about 603.6920595607.

Adding to 220012011 its reverse (110210022), we get a palindrome (330222033).

The spelling of 220012011 in words is "two hundred twenty million, twelve thousand, eleven".