12111121202110 has 128 divisors (see below), whose sum is σ = 26496028661760. Its totient is φ = 3893303232000.

The previous prime is 12111121202107. The next prime is 12111121202171. The reversal of 12111121202110 is 1120212111121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 355554480 + ... + 355588540.

It is an arithmetic number, because the mean of its divisors is an integer number (207000223920).

Almost surely, 2^{12111121202110} is an apocalyptic number.

12111121202110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111121202110 is an abundant number, since it is smaller than the sum of its proper divisors (14384907459650).

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

12111121202110 is a wasteful number, since it uses less digits than its factorization.

12111121202110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36842.

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

Adding to 12111121202110 its reverse (1120212111121), we get a palindrome (13231333313231).

The spelling of 12111121202110 in words is "twelve trillion, one hundred eleven billion, one hundred twenty-one million, two hundred two thousand, one hundred ten".