99211895530 has 32 divisors (see below), whose sum is σ = 199567706688. Its totient is φ = 35197123200.

The previous prime is 99211895507. The next prime is 99211895533. The reversal of 99211895530 is 3559811299.

It is not an unprimeable number, because it can be changed into a prime (99211895533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10994592 + ... + 11003611.

It is an arithmetic number, because the mean of its divisors is an integer number (6236490834).

Almost surely, 2^99211895530 is an apocalyptic number.

99211895530 is an abundant number, since it is smaller than the sum of its proper divisors (100355811158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99211895530 is a wasteful number, since it uses less digits than its factorization.

99211895530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21998262.

The product of its (nonzero) digits is 874800, while the sum is 52.

The spelling of 99211895530 in words is "ninety-nine billion, two hundred eleven million, eight hundred ninety-five thousand, five hundred thirty".