20223011231111 has 8 divisors (see below), whose sum is σ = 21865394923344. Its totient is φ = 18593022888000.

The previous prime is 20223011231083. The next prime is 20223011231113. The reversal of 20223011231111 is 11113211032202.

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 20223011231111 - 2¹⁸ = 20223010968967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223011231113) 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, 3098833886 + ... + 3098840411.

It is an arithmetic number, because the mean of its divisors is an integer number (2733174365418).

Almost surely, 2^{20223011231111} is an apocalyptic number.

20223011231111 is a deficient number, since it is larger than the sum of its proper divisors (1642383692233).

20223011231111 is a wasteful number, since it uses less digits than its factorization.

20223011231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197674561.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 20223011231111 its reverse (11113211032202), we get a palindrome (31336222263313).

The spelling of 20223011231111 in words is "twenty trillion, two hundred twenty-three billion, eleven million, two hundred thirty-one thousand, one hundred eleven".