20112133201110 has 24 divisors (see below), whose sum is σ = 52291546323120. Its totient is φ = 5363235520272.

The previous prime is 20112133201099. The next prime is 20112133201133. The reversal of 20112133201110 is 1110233121102.

20112133201110 is a `hidden beast` number, since 20 + 1 + 1 + 213 + 320 + 1 + 110 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111734073250 + ... + 111734073429.

It is an arithmetic number, because the mean of its divisors is an integer number (2178814430130).

Almost surely, 2^{20112133201110} is an apocalyptic number.

20112133201110 is an abundant number, since it is smaller than the sum of its proper divisors (32179413122010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20112133201110 is a wasteful number, since it uses less digits than its factorization.

20112133201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223468146692 (or 223468146689 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 20112133201110 its reverse (1110233121102), we get a palindrome (21222366322212).

The spelling of 20112133201110 in words is "twenty trillion, one hundred twelve billion, one hundred thirty-three million, two hundred one thousand, one hundred ten".