220022112011 has 4 divisors (see below), whose sum is σ = 236946889872. Its totient is φ = 203097334152.

The previous prime is 220022112007. The next prime is 220022112031. The reversal of 220022112011 is 110211220022.

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 220022112011 - 2² = 220022112007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220022112031) 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, 8462388911 + ... + 8462388936.

It is an arithmetic number, because the mean of its divisors is an integer number (59236722468).

Almost surely, 2^220022112011 is an apocalyptic number.

220022112011 is a deficient number, since it is larger than the sum of its proper divisors (16924777861).

220022112011 is a wasteful number, since it uses less digits than its factorization.

220022112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16924777860.

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

Adding to 220022112011 its reverse (110211220022), we get a palindrome (330233332033).

The spelling of 220022112011 in words is "two hundred twenty billion, twenty-two million, one hundred twelve thousand, eleven".