20120111110102 has 8 divisors (see below), whose sum is σ = 30252195703800. Its totient is φ = 10036045875504.

The previous prime is 20120111110049. The next prime is 20120111110103. The reversal of 20120111110102 is 20101111102102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120111110103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12004838727 + ... + 12004840402.

It is an arithmetic number, because the mean of its divisors is an integer number (3781524462975).

Almost surely, 2^{20120111110102} is an apocalyptic number.

20120111110102 is a deficient number, since it is larger than the sum of its proper divisors (10132084593698).

20120111110102 is a wasteful number, since it uses less digits than its factorization.

20120111110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24009679550.

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

Adding to 20120111110102 its reverse (20101111102102), we get a palindrome (40221222212204).

The spelling of 20120111110102 in words is "twenty trillion, one hundred twenty billion, one hundred eleven million, one hundred ten thousand, one hundred two".