20112021118 has 8 divisors (see below), whose sum is σ = 34477750512. Its totient is φ = 8619437616.

The previous prime is 20112021089. The next prime is 20112021119. The reversal of 20112021118 is 81112021102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20112021095 and 20112021104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112021119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718286455 + ... + 718286482.

It is an arithmetic number, because the mean of its divisors is an integer number (4309718814).

Almost surely, 2^20112021118 is an apocalyptic number.

20112021118 is a deficient number, since it is larger than the sum of its proper divisors (14365729394).

20112021118 is a wasteful number, since it uses less digits than its factorization.

20112021118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436572946.

The product of its (nonzero) digits is 64, while the sum is 19.

The spelling of 20112021118 in words is "twenty billion, one hundred twelve million, twenty-one thousand, one hundred eighteen".