21101000200110 has 112 divisors (see below), whose sum is σ = 58783639259520. Its totient is φ = 5445419348160.

The previous prime is 21101000200097. The next prime is 21101000200169. The reversal of 21101000200110 is 1100200010112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 21101000200092 and 21101000200101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 46459705 + ... + 46911684.

It is an arithmetic number, because the mean of its divisors is an integer number (524853921960).

Almost surely, 2^{21101000200110} is an apocalyptic number.

21101000200110 is an abundant number, since it is smaller than the sum of its proper divisors (37682639059410).

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

21101000200110 is an equidigital number, since it uses as much as digits as its factorization.

21101000200110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93371445 (or 93371430 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 21101000200110 its reverse (1100200010112), we get a palindrome (22201200210222).

The spelling of 21101000200110 in words is "twenty-one trillion, one hundred one billion, two hundred thousand, one hundred ten".