220121223111333 has 6 divisors (see below), whose sum is σ = 317952877827494. Its totient is φ = 146747482074216.

The previous prime is 220121223111311. The next prime is 220121223111337. The reversal of 220121223111333 is 333111322121022.

220121223111333 is a `hidden beast` number, since 2 + 2 + 0 + 1 + 2 + 12 + 2 + 311 + 1 + 333 = 666.

It can be written as a sum of positive squares in only one way, i.e., 209411953771329 + 10709269340004 = 14471073^2 + 3272502^2 .

It is not a de Polignac number, because 220121223111333 - 2²⁶ = 220121156002469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220121223111297 and 220121223111306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220121223111337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12228956839510 + ... + 12228956839527.

Almost surely, 2^{220121223111333} is an apocalyptic number.

It is an amenable number.

220121223111333 is a deficient number, since it is larger than the sum of its proper divisors (97831654716161).

220121223111333 is a wasteful number, since it uses less digits than its factorization.

220121223111333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24457913679043 (or 24457913679040 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 220121223111333 its reverse (333111322121022), we get a palindrome (553232545232355).

The spelling of 220121223111333 in words is "two hundred twenty trillion, one hundred twenty-one billion, two hundred twenty-three million, one hundred eleven thousand, three hundred thirty-three".