100101231221120 has 64 divisors (see below), whose sum is σ = 239314134277440. Its totient is φ = 40038881464320.

The previous prime is 100101231221107. The next prime is 100101231221221. The reversal of 100101231221120 is 21122132101001.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 12835865 + ... + 19103975.

It is an arithmetic number, because the mean of its divisors is an integer number (3739283348085).

Almost surely, 2^{100101231221120} is an apocalyptic number.

100101231221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100101231221120 is an abundant number, since it is smaller than the sum of its proper divisors (139212903056320).

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

100101231221120 is an equidigital number, since it uses as much as digits as its factorization.

100101231221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6293083 (or 6293071 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 100101231221120 its reverse (21122132101001), we get a palindrome (121223363322121).

The spelling of 100101231221120 in words is "one hundred trillion, one hundred one billion, two hundred thirty-one million, two hundred twenty-one thousand, one hundred twenty".