999110221203 has 4 divisors (see below), whose sum is σ = 1332146961608. Its totient is φ = 666073480800.

The previous prime is 999110221201. The next prime is 999110221259. The reversal of 999110221203 is 302122011999.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 999110221203 - 2¹ = 999110221201 is a prime.

It is a super-2 number, since 2×999110221203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999110221201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166518370198 + ... + 166518370203.

It is an arithmetic number, because the mean of its divisors is an integer number (333036740402).

Almost surely, 2^999110221203 is an apocalyptic number.

999110221203 is a deficient number, since it is larger than the sum of its proper divisors (333036740405).

999110221203 is a wasteful number, since it uses less digits than its factorization.

999110221203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333036740404.

The product of its (nonzero) digits is 17496, while the sum is 39.

The spelling of 999110221203 in words is "nine hundred ninety-nine billion, one hundred ten million, two hundred twenty-one thousand, two hundred three".