21110210000199 has 64 divisors (see below), whose sum is σ = 33624577113600. Its totient is φ = 13050109822464.

The previous prime is 21110210000179. The next prime is 21110210000249. The reversal of 21110210000199 is 99100001201112.

It is not a de Polignac number, because 21110210000199 - 2⁸ = 21110209999943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110210000129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3440239 + ... + 7352255.

It is an arithmetic number, because the mean of its divisors is an integer number (525384017400).

Almost surely, 2^{21110210000199} is an apocalyptic number.

21110210000199 is a deficient number, since it is larger than the sum of its proper divisors (12514367113401).

21110210000199 is a wasteful number, since it uses less digits than its factorization.

21110210000199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912269 (or 3912263 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 21110210000199 in words is "twenty-one trillion, one hundred ten billion, two hundred ten million, one hundred ninety-nine", and thus it is an aban number.