102111201000211 has 16 divisors (see below), whose sum is σ = 113759936559360. Its totient is φ = 91004589406080.

The previous prime is 102111201000209. The next prime is 102111201000217. The reversal of 102111201000211 is 112000102111201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102111201000211 - 2¹ = 102111201000209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 102111201000191 and 102111201000200.

It is not an unprimeable number, because it can be changed into a prime (102111201000217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18176926 + ... + 23121916.

It is an arithmetic number, because the mean of its divisors is an integer number (7109996034960).

Almost surely, 2^{102111201000211} is an apocalyptic number.

102111201000211 is a deficient number, since it is larger than the sum of its proper divisors (11648735559149).

102111201000211 is a wasteful number, since it uses less digits than its factorization.

102111201000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4999806.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102111201000211 its reverse (112000102111201), we get a palindrome (214111303111412).

The spelling of 102111201000211 in words is "one hundred two trillion, one hundred eleven billion, two hundred one million, two hundred eleven", and thus it is an aban number.