220122310011 has 4 divisors (see below), whose sum is σ = 293496413352. Its totient is φ = 146748206672.

The previous prime is 220122309961. The next prime is 220122310019. The reversal of 220122310011 is 110013221022.

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 220122310011 - 2⁶ = 220122309947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220122310019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36687051666 + ... + 36687051671.

It is an arithmetic number, because the mean of its divisors is an integer number (73374103338).

Almost surely, 2^220122310011 is an apocalyptic number.

220122310011 is a deficient number, since it is larger than the sum of its proper divisors (73374103341).

220122310011 is an equidigital number, since it uses as much as digits as its factorization.

220122310011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73374103340.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 220122310011 its reverse (110013221022), we get a palindrome (330135531033).

The spelling of 220122310011 in words is "two hundred twenty billion, one hundred twenty-two million, three hundred ten thousand, eleven".