201200111102100 has 72 divisors (see below), whose sum is σ = 635060714325408. Its totient is φ = 48775784508800.

The previous prime is 201200111102077. The next prime is 201200111102117. The reversal of 201200111102100 is 1201111002102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30484862019 + ... + 30484868618.

It is an arithmetic number, because the mean of its divisors is an integer number (8820287698964).

Almost surely, 2^{201200111102100} is an apocalyptic number.

201200111102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201200111102100 is an abundant number, since it is smaller than the sum of its proper divisors (433860603223308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201200111102100 is a wasteful number, since it uses less digits than its factorization.

201200111102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60969730665 (or 60969730658 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201200111102100 its reverse (1201111002102), we get a palindrome (202401222104202).

The spelling of 201200111102100 in words is "two hundred one trillion, two hundred billion, one hundred eleven million, one hundred two thousand, one hundred".