102010020211111 has 8 divisors (see below), whose sum is σ = 108012416999760. Its totient is φ = 96007824240768.

The previous prime is 102010020211067. The next prime is 102010020211129. The reversal of 102010020211111 is 111112020010201.

It is a happy number.

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 102010020211111 - 2⁹ = 102010020210599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102010020211091 and 102010020211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010020214111) 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 7 ways as a sum of consecutive naturals, for example, 49158121 + ... + 51191218.

It is an arithmetic number, because the mean of its divisors is an integer number (13501552124970).

Almost surely, 2^{102010020211111} is an apocalyptic number.

102010020211111 is a deficient number, since it is larger than the sum of its proper divisors (6002396788649).

102010020211111 is a wasteful number, since it uses less digits than its factorization.

102010020211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100409153.

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

Adding to 102010020211111 its reverse (111112020010201), we get a palindrome (213122040221312).

The spelling of 102010020211111 in words is "one hundred two trillion, ten billion, twenty million, two hundred eleven thousand, one hundred eleven".