102100200211111 has 16 divisors (see below), whose sum is σ = 104961150518400. Its totient is φ = 99287278092288.

The previous prime is 102100200211103. The next prime is 102100200211129. The reversal of 102100200211111 is 111112002001201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102100200211111 - 2³ = 102100200211103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102100200211091 and 102100200211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100200211811) 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, 26444850 + ... + 30058783.

It is an arithmetic number, because the mean of its divisors is an integer number (6560071907400).

Almost surely, 2^{102100200211111} is an apocalyptic number.

102100200211111 is a deficient number, since it is larger than the sum of its proper divisors (2860950307289).

102100200211111 is an equidigital number, since it uses as much as digits as its factorization.

102100200211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56504058.

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

Adding to 102100200211111 its reverse (111112002001201), we get a palindrome (213212202212312).

The spelling of 102100200211111 in words is "one hundred two trillion, one hundred billion, two hundred million, two hundred eleven thousand, one hundred eleven".