100242121231144 has 16 divisors (see below), whose sum is σ = 188113125486420. Its totient is φ = 50078621101440.

The previous prime is 100242121230973. The next prime is 100242121231199. The reversal of 100242121231144 is 441132121242001.

It can be written as a sum of positive squares in 2 ways, for example, as 98260867926244 + 1981253304900 = 9912662^2 + 1407570^2 .

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, 5304929229 + ... + 5304948124.

Almost surely, 2^{100242121231144} is an apocalyptic number.

It is an amenable number.

100242121231144 is a deficient number, since it is larger than the sum of its proper divisors (87871004255276).

100242121231144 is a wasteful number, since it uses less digits than its factorization.

100242121231144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10609878540 (or 10609878536 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 100242121231144 its reverse (441132121242001), we get a palindrome (541374242473145).

The spelling of 100242121231144 in words is "one hundred trillion, two hundred forty-two billion, one hundred twenty-one million, two hundred thirty-one thousand, one hundred forty-four".