12111121202102 has 32 divisors (see below), whose sum is σ = 20253485911680. Its totient is φ = 5393067039360.

The previous prime is 12111121202099. The next prime is 12111121202107. The reversal of 12111121202102 is 20120212111121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111121202107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4814174 + ... + 6884657.

It is an arithmetic number, because the mean of its divisors is an integer number (632921434740).

Almost surely, 2^{12111121202102} is an apocalyptic number.

12111121202102 is a deficient number, since it is larger than the sum of its proper divisors (8142364709578).

12111121202102 is a wasteful number, since it uses less digits than its factorization.

12111121202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11700248.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12111121202102 its reverse (20120212111121), we get a palindrome (32231333313223).

The spelling of 12111121202102 in words is "twelve trillion, one hundred eleven billion, one hundred twenty-one million, two hundred two thousand, one hundred two".