12111012122110 has 64 divisors (see below), whose sum is σ = 24052264602624. Its totient is φ = 4354013488000.

The previous prime is 12111012122101. The next prime is 12111012122177. The reversal of 12111012122110 is 1122121011121.

It is a super-2 number, since 2×12111012122110² (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 (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6790107 + ... + 8386153.

It is an arithmetic number, because the mean of its divisors is an integer number (375816634416).

Almost surely, 2^{12111012122110} is an apocalyptic number.

12111012122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111012122110 is a deficient number, since it is larger than the sum of its proper divisors (11941252480514).

12111012122110 is a wasteful number, since it uses less digits than its factorization.

12111012122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596849.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 12111012122110 its reverse (1122121011121), we get a palindrome (13233133133231).

The spelling of 12111012122110 in words is "twelve trillion, one hundred eleven billion, twelve million, one hundred twenty-two thousand, one hundred ten".