12020111211102 has 16 divisors (see below), whose sum is σ = 24047505170832. Its totient is φ = 4005489945600.

The previous prime is 12020111211079. The next prime is 12020111211131. The reversal of 12020111211102 is 20111211102021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303426403 + ... + 303466014.

It is an arithmetic number, because the mean of its divisors is an integer number (1502969073177).

Almost surely, 2^{12020111211102} is an apocalyptic number.

12020111211102 is an abundant number, since it is smaller than the sum of its proper divisors (12027393959730).

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

12020111211102 is a wasteful number, since it uses less digits than its factorization.

12020111211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606895723.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12020111211102 its reverse (20111211102021), we get a palindrome (32131322313123).

The spelling of 12020111211102 in words is "twelve trillion, twenty billion, one hundred eleven million, two hundred eleven thousand, one hundred two".