2163444501100 has 36 divisors (see below), whose sum is σ = 4715175379600. Its totient is φ = 861598848960.

The previous prime is 2163444501079. The next prime is 2163444501107. The reversal of 2163444501100 is 11054443612.

It is not an unprimeable number, because it can be changed into a prime (2163444501107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47213880 + ... + 47259679.

Almost surely, 2^{2163444501100} is an apocalyptic number.

2163444501100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2163444501100 is an abundant number, since it is smaller than the sum of its proper divisors (2551730878500).

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

2163444501100 is a wasteful number, since it uses less digits than its factorization.

2163444501100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94473802 (or 94473795 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 2163444501100 its reverse (11054443612), we get a palindrome (2174498944712).

The spelling of 2163444501100 in words is "two trillion, one hundred sixty-three billion, four hundred forty-four million, five hundred one thousand, one hundred".