12201111109710 has 24 divisors (see below), whose sum is σ = 31722888885480. Its totient is φ = 3253629629232.

The previous prime is 12201111109709. The next prime is 12201111109739. The reversal of 12201111109710 is 1790111110221.

It is a super-2 number, since 2×12201111109710² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67783950520 + ... + 67783950699.

It is an arithmetic number, because the mean of its divisors is an integer number (1321787036895).

Almost surely, 2^{12201111109710} is an apocalyptic number.

12201111109710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201111109710 is an abundant number, since it is smaller than the sum of its proper divisors (19521777775770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12201111109710 is a wasteful number, since it uses less digits than its factorization.

12201111109710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135567901232 (or 135567901229 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 27.

Adding to 12201111109710 its reverse (1790111110221), we get a palindrome (13991222219931).

The spelling of 12201111109710 in words is "twelve trillion, two hundred one billion, one hundred eleven million, one hundred nine thousand, seven hundred ten".