99000900122 has 48 divisors (see below), whose sum is σ = 154403010432. Its totient is φ = 47596461120.

The previous prime is 99000900121. The next prime is 99000900209. The reversal of 99000900122 is 22100900099.

It is a super-2 number, since 2×99000900122² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99000900121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66576863 + ... + 66578349.

It is an arithmetic number, because the mean of its divisors is an integer number (3216729384).

Almost surely, 2^99000900122 is an apocalyptic number.

99000900122 is a deficient number, since it is larger than the sum of its proper divisors (55402110310).

99000900122 is a wasteful number, since it uses less digits than its factorization.

99000900122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 99000900122 in words is "ninety-nine billion, nine hundred thousand, one hundred twenty-two".