102001200011111 has 8 divisors (see below), whose sum is σ = 105937521805824. Its totient is φ = 98105250747960.

The previous prime is 102001200011099. The next prime is 102001200011129. The reversal of 102001200011111 is 111110002100201.

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 102001200011111 - 2¹⁸ = 102001199748967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102001200011092 and 102001200011101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001200011131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10093127741 + ... + 10093137846.

It is an arithmetic number, because the mean of its divisors is an integer number (13242190225728).

Almost surely, 2^{102001200011111} is an apocalyptic number.

102001200011111 is a deficient number, since it is larger than the sum of its proper divisors (3936321794713).

102001200011111 is a wasteful number, since it uses less digits than its factorization.

102001200011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20186265781.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102001200011111 its reverse (111110002100201), we get a palindrome (213111202111312).

The spelling of 102001200011111 in words is "one hundred two trillion, one billion, two hundred million, eleven thousand, one hundred eleven".