21112102002110 has 16 divisors (see below), whose sum is σ = 43430609833056. Its totient is φ = 7238434972128.

The previous prime is 21112102002107. The next prime is 21112102002113. The reversal of 21112102002110 is 1120020121112.

It is an interprime number because it is at equal distance from previous prime (21112102002107) and next prime (21112102002113).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112102002113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150800728517 + ... + 150800728656.

It is an arithmetic number, because the mean of its divisors is an integer number (2714413114566).

Almost surely, 2^{21112102002110} is an apocalyptic number.

21112102002110 is an abundant number, since it is smaller than the sum of its proper divisors (22318507830946).

21112102002110 is a wasteful number, since it uses less digits than its factorization.

21112102002110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301601457187.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21112102002110 its reverse (1120020121112), we get a palindrome (22232122123222).

The spelling of 21112102002110 in words is "twenty-one trillion, one hundred twelve billion, one hundred two million, two thousand, one hundred ten".