20211113120 has 48 divisors (see below), whose sum is σ = 52089555168. Its totient is φ = 7349495040.

The previous prime is 20211113089. The next prime is 20211113123. The reversal of 20211113120 is 2131111202.

It is a super-2 number, since 2×20211113120² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20211113095 and 20211113104.

It is not an unprimeable number, because it can be changed into a prime (20211113123) 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, 5740034 + ... + 5743553.

It is an arithmetic number, because the mean of its divisors is an integer number (1085199066).

Almost surely, 2^20211113120 is an apocalyptic number.

20211113120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20211113120 is an abundant number, since it is smaller than the sum of its proper divisors (31878442048).

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

20211113120 is a wasteful number, since it uses less digits than its factorization.

20211113120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11483613 (or 11483605 counting only the distinct ones).

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

Adding to 20211113120 its reverse (2131111202), we get a palindrome (22342224322).

It can be divided in two parts, 20211 and 113120, that added together give a palindrome (133331).

The spelling of 20211113120 in words is "twenty billion, two hundred eleven million, one hundred thirteen thousand, one hundred twenty".