9911980210 has 16 divisors (see below), whose sum is σ = 19463524992. Its totient is φ = 3604356400.

The previous prime is 9911980187. The next prime is 9911980213. The reversal of 9911980210 is 120891199.

It is not an unprimeable number, because it can be changed into a prime (9911980213) 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, 45054346 + ... + 45054565.

It is an arithmetic number, because the mean of its divisors is an integer number (1216470312).

Almost surely, 2^9911980210 is an apocalyptic number.

9911980210 is a deficient number, since it is larger than the sum of its proper divisors (9551544782).

9911980210 is a wasteful number, since it uses less digits than its factorization.

9911980210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90108929.

The product of its (nonzero) digits is 11664, while the sum is 40.

The square root of 9911980210 is about 99558.9283289048. The cubic root of 9911980210 is about 2148.0949564545.

The spelling of 9911980210 in words is "nine billion, nine hundred eleven million, nine hundred eighty thousand, two hundred ten".