220121230011 has 8 divisors (see below), whose sum is σ = 293497821504. Its totient is φ = 146746062600.

The previous prime is 220121229971. The next prime is 220121230027. The reversal of 220121230011 is 110032121022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220121230011 - 2²⁷ = 219987012283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220121230051) 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, 81436 + ... + 668486.

It is an arithmetic number, because the mean of its divisors is an integer number (36687227688).

Almost surely, 2^220121230011 is an apocalyptic number.

220121230011 is a deficient number, since it is larger than the sum of its proper divisors (73376591493).

220121230011 is a wasteful number, since it uses less digits than its factorization.

220121230011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712041.

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

Adding to 220121230011 its reverse (110032121022), we get a palindrome (330153351033).

The spelling of 220121230011 in words is "two hundred twenty billion, one hundred twenty-one million, two hundred thirty thousand, eleven".