100201111121204 has 18 divisors (see below), whose sum is σ = 183307420207170. Its totient is φ = 47922270535216.

The previous prime is 100201111121179. The next prime is 100201111121239. The reversal of 100201111121204 is 402121111102001.

It can be written as a sum of positive squares in only one way, i.e., 99980400960400 + 220710160804 = 9999020^2 + 469798^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23677009019 + ... + 23677013250.

It is an arithmetic number, because the mean of its divisors is an integer number (10183745567065).

Almost surely, 2^{100201111121204} is an apocalyptic number.

It is an amenable number.

100201111121204 is a deficient number, since it is larger than the sum of its proper divisors (83106309085966).

100201111121204 is a wasteful number, since it uses less digits than its factorization.

100201111121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47354022319 (or 47354022294 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100201111121204 its reverse (402121111102001), we get a palindrome (502322222223205).

The spelling of 100201111121204 in words is "one hundred trillion, two hundred one billion, one hundred eleven million, one hundred twenty-one thousand, two hundred four".