220111001011 has 4 divisors (see below), whose sum is σ = 240121092024. Its totient is φ = 200100910000.

The previous prime is 220111001003. The next prime is 220111001017. The reversal of 220111001011 is 110100111022.

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 220111001011 - 2³ = 220111001003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220111001017) 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, 10005045490 + ... + 10005045511.

It is an arithmetic number, because the mean of its divisors is an integer number (60030273006).

Almost surely, 2^220111001011 is an apocalyptic number.

220111001011 is a deficient number, since it is larger than the sum of its proper divisors (20010091013).

220111001011 is a wasteful number, since it uses less digits than its factorization.

220111001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20010091012.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 220111001011 its reverse (110100111022), we get a palindrome (330211112033).

The spelling of 220111001011 in words is "two hundred twenty billion, one hundred eleven million, one thousand, eleven".