20112032111 has 8 divisors (see below), whose sum is σ = 20624806224. Its totient is φ = 19601305920.

The previous prime is 20112032107. The next prime is 20112032113. The reversal of 20112032111 is 11123021102.

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 20112032111 - 2² = 20112032107 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 (20112032113) 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, 492080 + ... + 531381.

It is an arithmetic number, because the mean of its divisors is an integer number (2578100778).

Almost surely, 2^20112032111 is an apocalyptic number.

20112032111 is a deficient number, since it is larger than the sum of its proper divisors (512774113).

20112032111 is a wasteful number, since it uses less digits than its factorization.

20112032111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023961.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20112032111 its reverse (11123021102), we get a palindrome (31235053213).

The spelling of 20112032111 in words is "twenty billion, one hundred twelve million, thirty-two thousand, one hundred eleven".