20113033123111 has 8 divisors (see below), whose sum is σ = 20120573978624. Its totient is φ = 20105492614200.

The previous prime is 20113033123003. The next prime is 20113033123121. The reversal of 20113033123111 is 11132133031102.

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 20113033123111 - 2⁷ = 20113033122983 is a prime.

It is a super-2 number, since 2×20113033123111² (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 (20113033123121) 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, 201752500 + ... + 201852166.

It is an arithmetic number, because the mean of its divisors is an integer number (2515071747328).

Almost surely, 2^{20113033123111} is an apocalyptic number.

20113033123111 is a deficient number, since it is larger than the sum of its proper divisors (7540855513).

20113033123111 is an equidigital number, since it uses as much as digits as its factorization.

20113033123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173301.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 20113033123111 its reverse (11132133031102), we get a palindrome (31245166154213).

The spelling of 20113033123111 in words is "twenty trillion, one hundred thirteen billion, thirty-three million, one hundred twenty-three thousand, one hundred eleven".