1001224791100 has 36 divisors (see below), whose sum is σ = 2175343581600. Its totient is φ = 399994840960.

The previous prime is 1001224791097. The next prime is 1001224791199. The reversal of 1001224791100 is 11974221001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6107140 + ... + 6268939.

It is an arithmetic number, because the mean of its divisors is an integer number (60426210600).

Almost surely, 2^{1001224791100} is an apocalyptic number.

1001224791100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001224791100 is an abundant number, since it is smaller than the sum of its proper divisors (1174118790500).

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

1001224791100 is a wasteful number, since it uses less digits than its factorization.

1001224791100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12376902 (or 12376895 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 1001224791100 in words is "one trillion, one billion, two hundred twenty-four million, seven hundred ninety-one thousand, one hundred".