220122111331 has 8 divisors (see below), whose sum is σ = 222292420064. Its totient is φ = 217952441280.

The previous prime is 220122111329. The next prime is 220122111379. The reversal of 220122111331 is 133111221022.

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 220122111331 - 2¹ = 220122111329 is a prime.

It is a super-2 number, since 2×220122111331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220122111299 and 220122111308.

It is not an unprimeable number, because it can be changed into a prime (220122111311) 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, 548425 + ... + 860821.

It is an arithmetic number, because the mean of its divisors is an integer number (27786552508).

Almost surely, 2^220122111331 is an apocalyptic number.

220122111331 is a deficient number, since it is larger than the sum of its proper divisors (2170308733).

220122111331 is a wasteful number, since it uses less digits than its factorization.

220122111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319341.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 220122111331 its reverse (133111221022), we get a palindrome (353233332353).

The spelling of 220122111331 in words is "two hundred twenty billion, one hundred twenty-two million, one hundred eleven thousand, three hundred thirty-one".