109861222272 has 64 divisors (see below), whose sum is σ = 295334847360. Its totient is φ = 36179187200.

The previous prime is 109861222249. The next prime is 109861222277. The reversal of 109861222272 is 272222168901.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109861222277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1691604 + ... + 1755347.

It is an arithmetic number, because the mean of its divisors is an integer number (4614606990).

Almost surely, 2^109861222272 is an apocalyptic number.

109861222272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109861222272 is an abundant number, since it is smaller than the sum of its proper divisors (185473625088).

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

109861222272 is an equidigital number, since it uses as much as digits as its factorization.

109861222272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447051 (or 3447039 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 109861222272 in words is "one hundred nine billion, eight hundred sixty-one million, two hundred twenty-two thousand, two hundred seventy-two".