20110211124 has 48 divisors (see below), whose sum is σ = 49364683200. Its totient is φ = 6362546176.

The previous prime is 20110211123. The next prime is 20110211141. The reversal of 20110211124 is 42111201102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110211123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469197 + ... + 510260.

It is an arithmetic number, because the mean of its divisors is an integer number (1028430900).

Almost surely, 2^20110211124 is an apocalyptic number.

It is an amenable number.

20110211124 is an abundant number, since it is smaller than the sum of its proper divisors (29254472076).

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

20110211124 is a wasteful number, since it uses less digits than its factorization.

20110211124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979552 (or 979550 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20110211124 its reverse (42111201102), we get a palindrome (62221412226).

It can be divided in two parts, 201102 and 11124, that added together give a triangular number (212226 = T₆₅₁).

The spelling of 20110211124 in words is "twenty billion, one hundred ten million, two hundred eleven thousand, one hundred twenty-four".