220001121011 has 16 divisors (see below), whose sum is σ = 264710741760. Its totient is φ = 178615303200.

The previous prime is 220001120993. The next prime is 220001121019. The reversal of 220001121011 is 110121100022.

It is a cyclic number.

It is not a de Polignac number, because 220001121011 - 2²² = 219996926707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220001120983 and 220001121001.

It is not an unprimeable number, because it can be changed into a prime (220001121019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605225 + ... + 897941.

It is an arithmetic number, because the mean of its divisors is an integer number (16544421360).

Almost surely, 2^220001121011 is an apocalyptic number.

220001121011 is a deficient number, since it is larger than the sum of its proper divisors (44709620749).

220001121011 is a wasteful number, since it uses less digits than its factorization.

220001121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298394.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 220001121011 its reverse (110121100022), we get a palindrome (330122221033).

The spelling of 220001121011 in words is "two hundred twenty billion, one million, one hundred twenty-one thousand, eleven".