201020111102102 has 16 divisors (see below), whose sum is σ = 313222064680800. Its totient is φ = 96641518565760.

The previous prime is 201020111102017. The next prime is 201020111102159. The reversal of 201020111102102 is 201201111020102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7190575202 + ... + 7190603157.

It is an arithmetic number, because the mean of its divisors is an integer number (19576379042550).

Almost surely, 2^{201020111102102} is an apocalyptic number.

201020111102102 is a deficient number, since it is larger than the sum of its proper divisors (112201953578698).

201020111102102 is a wasteful number, since it uses less digits than its factorization.

201020111102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14381178631.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201020111102102 its reverse (201201111020102), we get a palindrome (402221222122204).

The spelling of 201020111102102 in words is "two hundred one trillion, twenty billion, one hundred eleven million, one hundred two thousand, one hundred two".