100221001111120 has 80 divisors (see below), whose sum is σ = 234126451108800. Its totient is φ = 39896994816000.

The previous prime is 100221001111117. The next prime is 100221001111157. The reversal of 100221001111120 is 21111100122001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 100221001111120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567096531 + ... + 567273229.

It is an arithmetic number, because the mean of its divisors is an integer number (2926580638860).

Almost surely, 2^{100221001111120} is an apocalyptic number.

100221001111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100221001111120 is an abundant number, since it is smaller than the sum of its proper divisors (133905449997680).

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

100221001111120 is a wasteful number, since it uses less digits than its factorization.

100221001111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210524 (or 210518 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100221001111120 its reverse (21111100122001), we get a palindrome (121332101233121).

The spelling of 100221001111120 in words is "one hundred trillion, two hundred twenty-one billion, one million, one hundred eleven thousand, one hundred twenty".