12211110311103 has 12 divisors (see below), whose sum is σ = 19241749581288. Its totient is φ = 7400672915760.

The previous prime is 12211110311089. The next prime is 12211110311119. The reversal of 12211110311103 is 30111301111221.

It is not a de Polignac number, because 12211110311103 - 2⁶ = 12211110311039 is a prime.

It is a super-2 number, since 2×12211110311103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211110311203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61672274200 + ... + 61672274397.

It is an arithmetic number, because the mean of its divisors is an integer number (1603479131774).

Almost surely, 2^{12211110311103} is an apocalyptic number.

12211110311103 is a deficient number, since it is larger than the sum of its proper divisors (7030639270185).

12211110311103 is a wasteful number, since it uses less digits than its factorization.

12211110311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123344548614 (or 123344548611 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 12211110311103 its reverse (30111301111221), we get a palindrome (42322411422324).

The spelling of 12211110311103 in words is "twelve trillion, two hundred eleven billion, one hundred ten million, three hundred eleven thousand, one hundred three".