21100130200110 has 64 divisors (see below), whose sum is σ = 54543992025600. Its totient is φ = 5193090499200.

The previous prime is 21100130199983. The next prime is 21100130200117. The reversal of 21100130200110 is 1100203100112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21100130200117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1525716 + ... + 6672935.

It is an arithmetic number, because the mean of its divisors is an integer number (852249875400).

Almost surely, 2^{21100130200110} is an apocalyptic number.

21100130200110 is an abundant number, since it is smaller than the sum of its proper divisors (33443861825490).

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

21100130200110 is a wasteful number, since it uses less digits than its factorization.

21100130200110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8205273.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 21100130200110 its reverse (1100203100112), we get a palindrome (22200333300222).

The spelling of 21100130200110 in words is "twenty-one trillion, one hundred billion, one hundred thirty million, two hundred thousand, one hundred ten".