102001201111 has 8 divisors (see below), whose sum is σ = 107539856000. Its totient is φ = 96479563320.

The previous prime is 102001201061. The next prime is 102001201139. The reversal of 102001201111 is 111102100201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102001201111 - 2⁹ = 102001200599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001204111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4241961 + ... + 4265938.

It is an arithmetic number, because the mean of its divisors is an integer number (13442482000).

Almost surely, 2^102001201111 is an apocalyptic number.

102001201111 is a deficient number, since it is larger than the sum of its proper divisors (5538654889).

102001201111 is an equidigital number, since it uses as much as digits as its factorization.

102001201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8508549.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 102001201111 its reverse (111102100201), we get a palindrome (213103301312).

The spelling of 102001201111 in words is "one hundred two billion, one million, two hundred one thousand, one hundred eleven".