20112435111 has 8 divisors (see below), whose sum is σ = 27256196464. Its totient is φ = 13188481920.

The previous prime is 20112435103. The next prime is 20112435127. The reversal of 20112435111 is 11153421102.

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

It is not a de Polignac number, because 20112435111 - 2³ = 20112435103 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 (20112435151) 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, 54951826 + ... + 54952191.

It is an arithmetic number, because the mean of its divisors is an integer number (3407024558).

Almost surely, 2^20112435111 is an apocalyptic number.

20112435111 is a deficient number, since it is larger than the sum of its proper divisors (7143761353).

20112435111 is a wasteful number, since it uses less digits than its factorization.

20112435111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109904081.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 20112435111 its reverse (11153421102), we get a palindrome (31265856213).

The spelling of 20112435111 in words is "twenty billion, one hundred twelve million, four hundred thirty-five thousand, one hundred eleven".