201911110102 has 64 divisors (see below), whose sum is σ = 344615378688. Its totient is φ = 88099200000.

The previous prime is 201911110097. The next prime is 201911110103. The reversal of 201911110102 is 201011119102.

201911110102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 201911110102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201911110103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5040352 + ... + 5080252.

It is an arithmetic number, because the mean of its divisors is an integer number (5384615292).

Almost surely, 2^201911110102 is an apocalyptic number.

201911110102 is a deficient number, since it is larger than the sum of its proper divisors (142704268586).

201911110102 is a wasteful number, since it uses less digits than its factorization.

201911110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40105.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 201911110102 its reverse (201011119102), we get a palindrome (402922229204).

The spelling of 201911110102 in words is "two hundred one billion, nine hundred eleven million, one hundred ten thousand, one hundred two".