20223030311111 has 8 divisors (see below), whose sum is σ = 20299502167104. Its totient is φ = 20146583380320.

The previous prime is 20223030311101. The next prime is 20223030311149. The reversal of 20223030311111 is 11111303032202.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20223030311111 is a prime.

It is a super-2 number, since 2×20223030311111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223030311101) 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, 4604735 + ... + 7851728.

It is an arithmetic number, because the mean of its divisors is an integer number (2537437770888).

Almost surely, 2^{20223030311111} is an apocalyptic number.

20223030311111 is a deficient number, since it is larger than the sum of its proper divisors (76471855993).

20223030311111 is a wasteful number, since it uses less digits than its factorization.

20223030311111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12462601.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20223030311111 its reverse (11111303032202), we get a palindrome (31334333343313).

The spelling of 20223030311111 in words is "twenty trillion, two hundred twenty-three billion, thirty million, three hundred eleven thousand, one hundred eleven".