12111002021110 has 16 divisors (see below), whose sum is σ = 21800094472656. Its totient is φ = 4844336178528.

The previous prime is 12111002021093. The next prime is 12111002021117. The reversal of 12111002021110 is 1112020011121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111002021117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7288017 + ... + 8794156.

It is an arithmetic number, because the mean of its divisors is an integer number (1362505904541).

Almost surely, 2^{12111002021110} is an apocalyptic number.

12111002021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111002021110 is a deficient number, since it is larger than the sum of its proper divisors (9689092451546).

12111002021110 is a wasteful number, since it uses less digits than its factorization.

12111002021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16157487.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12111002021110 its reverse (1112020011121), we get a palindrome (13223022032231).

The spelling of 12111002021110 in words is "twelve trillion, one hundred eleven billion, two million, twenty-one thousand, one hundred ten".