12201102111 has 32 divisors (see below), whose sum is σ = 19325318400. Its totient is φ = 6763841280.

The previous prime is 12201102103. The next prime is 12201102131. The reversal of 12201102111 is 11120110221.

It is not a de Polignac number, because 12201102111 - 2³ = 12201102103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201102131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317326 + ... + 353691.

It is an arithmetic number, because the mean of its divisors is an integer number (603916200).

Almost surely, 2^12201102111 is an apocalyptic number.

12201102111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12201102111 is a deficient number, since it is larger than the sum of its proper divisors (7124216289).

12201102111 is a wasteful number, since it uses less digits than its factorization.

12201102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671079.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12201102111 its reverse (11120110221), we get a palindrome (23321212332).

It can be divided in two parts, 1220110 and 2111, that added together give a palindrome (1222221).

The spelling of 12201102111 in words is "twelve billion, two hundred one million, one hundred two thousand, one hundred eleven".