1099997299224 has 256 divisors, whose sum is σ = 3266956800000. Its totient is φ = 341938713600.

The previous prime is 1099997299201. The next prime is 1099997299231. The reversal of 1099997299224 is 4229927999901.

1099997299224 is a `hidden beast` number, since 109 + 9 + 9 + 9 + 7 + 299 + 224 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83637049 + ... + 83650199.

It is an arithmetic number, because the mean of its divisors is an integer number (12761550000).

Almost surely, 2^{1099997299224} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1099997299224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1633478400000).

1099997299224 is an abundant number, since it is smaller than the sum of its proper divisors (2166959500776).

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

1099997299224 is a wasteful number, since it uses less digits than its factorization.

1099997299224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13503 (or 13493 counting only the distinct ones).

The product of its (nonzero) digits is 119042784, while the sum is 72.

The spelling of 1099997299224 in words is "one trillion, ninety-nine billion, nine hundred ninety-seven million, two hundred ninety-nine thousand, two hundred twenty-four".