102120201202111 has 8 divisors (see below), whose sum is σ = 104821969232448. Its totient is φ = 99451583700000.

The previous prime is 102120201202109. The next prime is 102120201202153. The reversal of 102120201202111 is 111202102021201.

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 102120201202111 - 2¹ = 102120201202109 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 (102120201202181) 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, 8287625815 + ... + 8287638136.

It is an arithmetic number, because the mean of its divisors is an integer number (13102746154056).

Almost surely, 2^{102120201202111} is an apocalyptic number.

102120201202111 is a deficient number, since it is larger than the sum of its proper divisors (2701768030337).

102120201202111 is a wasteful number, since it uses less digits than its factorization.

102120201202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16575264113.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102120201202111 its reverse (111202102021201), we get a palindrome (213322303223312).

The spelling of 102120201202111 in words is "one hundred two trillion, one hundred twenty billion, two hundred one million, two hundred two thousand, one hundred eleven".