201166103242 has 32 divisors (see below), whose sum is σ = 325464862464. Its totient is φ = 92701972800.

The previous prime is 201166103197. The next prime is 201166103311. The reversal of 201166103242 is 242301661102.

It is a self number, because there is not a number n which added to its sum of digits gives 201166103242.

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, 75313567 + ... + 75316237.

It is an arithmetic number, because the mean of its divisors is an integer number (10170776952).

Almost surely, 2^201166103242 is an apocalyptic number.

201166103242 is a deficient number, since it is larger than the sum of its proper divisors (124298759222).

201166103242 is a wasteful number, since it uses less digits than its factorization.

201166103242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6094.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 201166103242 its reverse (242301661102), we get a palindrome (443467764344).

The spelling of 201166103242 in words is "two hundred one billion, one hundred sixty-six million, one hundred three thousand, two hundred forty-two".