400102110242201 has 4 divisors (see below), whose sum is σ = 404063517274404. Its totient is φ = 396140703210000.

The previous prime is 400102110242119. The next prime is 400102110242209. The reversal of 400102110242201 is 102242011201004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 343132463107225 + 56969647134976 = 18523835^2 + 7547824^2 .

It is a cyclic number.

It is not a de Polignac number, because 400102110242201 - 2³⁰ = 400101036500377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400102110242209) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1980703515950 + ... + 1980703516151.

It is an arithmetic number, because the mean of its divisors is an integer number (101015879318601).

Almost surely, 2^{400102110242201} is an apocalyptic number.

It is an amenable number.

400102110242201 is a deficient number, since it is larger than the sum of its proper divisors (3961407032203).

400102110242201 is a wasteful number, since it uses less digits than its factorization.

400102110242201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961407032202.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 400102110242201 its reverse (102242011201004), we get a palindrome (502344121443205).

The spelling of 400102110242201 in words is "four hundred trillion, one hundred two billion, one hundred ten million, two hundred forty-two thousand, two hundred one".