99100210 has 24 divisors (see below), whose sum is σ = 196073388. Its totient is φ = 36036000.

The previous prime is 99100187. The next prime is 99100217. The reversal of 99100210 is 1200199.

It can be written as a sum of positive squares in 2 ways, for example, as 93915481 + 5184729 = 9691^2 + 2277^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (99100217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39741 + ... + 42160.

Almost surely, 2^99100210 is an apocalyptic number.

99100210 is a deficient number, since it is larger than the sum of its proper divisors (96973178).

99100210 is a wasteful number, since it uses less digits than its factorization.

99100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81930 (or 81919 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 99100210 is about 9954.9088393616. The cubic root of 99100210 is about 462.7625351431.

The spelling of 99100210 in words is "ninety-nine million, one hundred thousand, two hundred ten".