220021121011 has 8 divisors (see below), whose sum is σ = 232987247424. Its totient is φ = 207057628800.

The previous prime is 220021120993. The next prime is 220021121053. The reversal of 220021121011 is 110121120022.

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 220021121011 - 2⁷ = 220021120883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220021120982 and 220021121000.

It is not an unprimeable number, because it can be changed into a prime (220021122011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485275 + ... + 821908.

It is an arithmetic number, because the mean of its divisors is an integer number (29123405928).

Almost surely, 2^220021121011 is an apocalyptic number.

220021121011 is a deficient number, since it is larger than the sum of its proper divisors (12966126413).

220021121011 is a wasteful number, since it uses less digits than its factorization.

220021121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317101.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220021121011 its reverse (110121120022), we get a palindrome (330142241033).

It can be divided in two parts, 2200211 and 21011, that added together give a palindrome (2221222).

The spelling of 220021121011 in words is "two hundred twenty billion, twenty-one million, one hundred twenty-one thousand, eleven".