220001012011 has 8 divisors (see below), whose sum is σ = 241752938544. Its totient is φ = 198541057920.

The previous prime is 220001011933. The next prime is 220001012053. The reversal of 220001012011 is 110210100022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220001012011 - 2³³ = 211411077419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220001012111) 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 7 ways as a sum of consecutive naturals, for example, 72991530 + ... + 72994543.

It is an arithmetic number, because the mean of its divisors is an integer number (30219117318).

Almost surely, 2^220001012011 is an apocalyptic number.

220001012011 is a deficient number, since it is larger than the sum of its proper divisors (21751926533).

220001012011 is a wasteful number, since it uses less digits than its factorization.

220001012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145986221.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 220001012011 its reverse (110210100022), we get a palindrome (330211112033).

The spelling of 220001012011 in words is "two hundred twenty billion, one million, twelve thousand, eleven".