210111221000716 has 48 divisors (see below), whose sum is σ = 450344144710656. Its totient is φ = 83804643451584.

The previous prime is 210111221000699. The next prime is 210111221000717. The reversal of 210111221000716 is 617000122111012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (210111221000717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4408890496 + ... + 4408938151.

It is an arithmetic number, because the mean of its divisors is an integer number (9382169681472).

Almost surely, 2^{210111221000716} is an apocalyptic number.

It is an amenable number.

210111221000716 is an abundant number, since it is smaller than the sum of its proper divisors (240232923709940).

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

210111221000716 is a wasteful number, since it uses less digits than its factorization.

210111221000716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8817828718 (or 8817828716 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 25.

Adding to 210111221000716 its reverse (617000122111012), we get a palindrome (827111343111728).

The spelling of 210111221000716 in words is "two hundred ten trillion, one hundred eleven billion, two hundred twenty-one million, seven hundred sixteen", and thus it is an aban number.