102200120011 has 24 divisors (see below), whose sum is σ = 115455840192. Its totient is φ = 90347703600.

The previous prime is 102200119999. The next prime is 102200120021. The reversal of 102200120011 is 110021002201.

It is not a de Polignac number, because 102200120011 - 2⁵ = 102200119979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102200120011.

It is not an unprimeable number, because it can be changed into a prime (102200120021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1137816 + ... + 1224346.

It is an arithmetic number, because the mean of its divisors is an integer number (4810660008).

Almost surely, 2^102200120011 is an apocalyptic number.

102200120011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102200120011 is a deficient number, since it is larger than the sum of its proper divisors (13255720181).

102200120011 is a wasteful number, since it uses less digits than its factorization.

102200120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86823 (or 86812 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102200120011 its reverse (110021002201), we get a palindrome (212221122212).

The spelling of 102200120011 in words is "one hundred two billion, two hundred million, one hundred twenty thousand, eleven".