2101288884 has 24 divisors (see below), whose sum is σ = 4953556608. Its totient is φ = 693208320.

The previous prime is 2101288883. The next prime is 2101288939. The reversal of 2101288884 is 4888821012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101288883) 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, 901452 + ... + 903779.

It is an arithmetic number, because the mean of its divisors is an integer number (206398192).

Almost surely, 2^2101288884 is an apocalyptic number.

It is an amenable number.

2101288884 is an abundant number, since it is smaller than the sum of its proper divisors (2852267724).

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

2101288884 is a wasteful number, since it uses less digits than its factorization.

2101288884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805335 (or 1805333 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 42.

The square root of 2101288884 is about 45839.8176697945. The cubic root of 2101288884 is about 1280.8410983908.

The spelling of 2101288884 in words is "two billion, one hundred one million, two hundred eighty-eight thousand, eight hundred eighty-four".