20111430222331 has 8 divisors (see below), whose sum is σ = 23032476011520. Its totient is φ = 17202380515368.

The previous prime is 20111430222283. The next prime is 20111430222361. The reversal of 20111430222331 is 13322203411102.

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 20111430222331 - 2³⁹ = 19561674408443 is a prime.

It is a super-2 number, since 2×20111430222331² (a number of 27 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 = 20111430222296 and 20111430222305.

It is not an unprimeable number, because it can be changed into a prime (20111430222361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2999016961 + ... + 2999023666.

It is an arithmetic number, because the mean of its divisors is an integer number (2879059501440).

Almost surely, 2^{20111430222331} is an apocalyptic number.

20111430222331 is a deficient number, since it is larger than the sum of its proper divisors (2921045789189).

20111430222331 is an equidigital number, since it uses as much as digits as its factorization.

20111430222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5998041113.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 20111430222331 its reverse (13322203411102), we get a palindrome (33433633633433).

The spelling of 20111430222331 in words is "twenty trillion, one hundred eleven billion, four hundred thirty million, two hundred twenty-two thousand, three hundred thirty-one".