100221042311542 has 8 divisors (see below), whose sum is σ = 150333208632936. Its totient is φ = 50109972767232.

The previous prime is 100221042311527. The next prime is 100221042311623. The reversal of 100221042311542 is 245113240122001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100221042311542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273965788 + ... + 274331359.

It is an arithmetic number, because the mean of its divisors is an integer number (18791651079117).

Almost surely, 2^{100221042311542} is an apocalyptic number.

100221042311542 is a deficient number, since it is larger than the sum of its proper divisors (50112166321394).

100221042311542 is an equidigital number, since it uses as much as digits as its factorization.

100221042311542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548388542.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 100221042311542 its reverse (245113240122001), we get a palindrome (345334282433543).

The spelling of 100221042311542 in words is "one hundred trillion, two hundred twenty-one billion, forty-two million, three hundred eleven thousand, five hundred forty-two".