21114141100 has 72 divisors (see below), whose sum is σ = 52244656128. Its totient is φ = 7337395200.

The previous prime is 21114141089. The next prime is 21114141107. The reversal of 21114141100 is 114141112.

It is not an unprimeable number, because it can be changed into a prime (21114141107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 455596 + ... + 499795.

It is an arithmetic number, because the mean of its divisors is an integer number (725620224).

Almost surely, 2^21114141100 is an apocalyptic number.

21114141100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21114141100 is an abundant number, since it is smaller than the sum of its proper divisors (31130515028).

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

21114141100 is a wasteful number, since it uses less digits than its factorization.

21114141100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955435 (or 955428 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21114141100 its reverse (114141112), we get a palindrome (21228282212).

The spelling of 21114141100 in words is "twenty-one billion, one hundred fourteen million, one hundred forty-one thousand, one hundred".