102100111101211 has 4 divisors (see below), whose sum is σ = 102100355395192. Its totient is φ = 102099866807232.

The previous prime is 102100111101127. The next prime is 102100111101227. The reversal of 102100111101211 is 112101111001201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102100111101211 - 2³⁵ = 102065751362843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102100111101191 and 102100111101200.

It is not an unprimeable number, because it can be changed into a prime (102100211101211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121519005 + ... + 122356318.

It is an arithmetic number, because the mean of its divisors is an integer number (25525088848798).

Almost surely, 2^{102100111101211} is an apocalyptic number.

102100111101211 is a deficient number, since it is larger than the sum of its proper divisors (244293981).

102100111101211 is an equidigital number, since it uses as much as digits as its factorization.

102100111101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244293980.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 102100111101211 its reverse (112101111001201), we get a palindrome (214201222102412).

The spelling of 102100111101211 in words is "one hundred two trillion, one hundred billion, one hundred eleven million, one hundred one thousand, two hundred eleven".