9900210111 has 8 divisors (see below), whose sum is σ = 14400305664. Its totient is φ = 6000127320.

The previous prime is 9900210107. The next prime is 9900210119. The reversal of 9900210111 is 1110120099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9900210111 - 2² = 9900210107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9900210119) 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, 150003151 + ... + 150003216.

It is an arithmetic number, because the mean of its divisors is an integer number (1800038208).

Almost surely, 2^9900210111 is an apocalyptic number.

9900210111 is a deficient number, since it is larger than the sum of its proper divisors (4500095553).

9900210111 is a wasteful number, since it uses less digits than its factorization.

9900210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300006381.

The product of its (nonzero) digits is 162, while the sum is 24.

The square root of 9900210111 is about 99499.7995525619. The cubic root of 9900210111 is about 2147.2443593649.

The spelling of 9900210111 in words is "nine billion, nine hundred million, two hundred ten thousand, one hundred eleven".