102020211110 has 16 divisors (see below), whose sum is σ = 185848868016. Its totient is φ = 40316420448.

The previous prime is 102020211109. The next prime is 102020211131. The reversal of 102020211110 is 11112020201.

It is a junction number, because it is equal to n+sod(n) for n = 102020211091 and 102020211100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61457129 + ... + 61458788.

It is an arithmetic number, because the mean of its divisors is an integer number (11615554251).

Almost surely, 2^102020211110 is an apocalyptic number.

102020211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102020211110 is a deficient number, since it is larger than the sum of its proper divisors (83828656906).

102020211110 is a wasteful number, since it uses less digits than its factorization.

102020211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122916007.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102020211110 its reverse (11112020201), we get a palindrome (113132231311).

The spelling of 102020211110 in words is "one hundred two billion, twenty million, two hundred eleven thousand, one hundred ten".