102200111111 has 4 divisors (see below), whose sum is σ = 116800126992. Its totient is φ = 87600095232.

The previous prime is 102200111023. The next prime is 102200111113. The reversal of 102200111111 is 111111002201.

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 102200111111 - 2²² = 102195916807 is a prime.

It is a super-2 number, since 2×102200111111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

102200111111 is a modest number, since divided by 111111 gives 102200 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 102200111092 and 102200111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102200111113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7300007930 + ... + 7300007943.

It is an arithmetic number, because the mean of its divisors is an integer number (29200031748).

Almost surely, 2^102200111111 is an apocalyptic number.

102200111111 is a deficient number, since it is larger than the sum of its proper divisors (14600015881).

102200111111 is an equidigital number, since it uses as much as digits as its factorization.

102200111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14600015880.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102200111111 its reverse (111111002201), we get a palindrome (213311113312).

The spelling of 102200111111 in words is "one hundred two billion, two hundred million, one hundred eleven thousand, one hundred eleven".