100120311222243 has 32 divisors (see below), whose sum is σ = 144140283840000. Its totient is φ = 61450744836096.

The previous prime is 100120311222119. The next prime is 100120311222427. The reversal of 100120311222243 is 342222113021001.

It is a de Polignac number, because none of the positive numbers 2^k-100120311222243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100120311227243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29673123 + ... + 32874531.

It is an arithmetic number, because the mean of its divisors is an integer number (4504383870000).

Almost surely, 2^{100120311222243} is an apocalyptic number.

100120311222243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100120311222243 is a deficient number, since it is larger than the sum of its proper divisors (44019972617757).

100120311222243 is a wasteful number, since it uses less digits than its factorization.

100120311222243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203531.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 100120311222243 its reverse (342222113021001), we get a palindrome (442342424243244).

The spelling of 100120311222243 in words is "one hundred trillion, one hundred twenty billion, three hundred eleven million, two hundred twenty-two thousand, two hundred forty-three".