12111011020202 has 4 divisors (see below), whose sum is σ = 18166516530306. Its totient is φ = 6055505510100.

The previous prime is 12111011020091. The next prime is 12111011020211. The reversal of 12111011020202 is 20202011011121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9925341503401 + 2185669516801 = 3150451^2 + 1478401^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3027752755049 + ... + 3027752755052.

Almost surely, 2^{12111011020202} is an apocalyptic number.

12111011020202 is a deficient number, since it is larger than the sum of its proper divisors (6055505510104).

12111011020202 is an equidigital number, since it uses as much as digits as its factorization.

12111011020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055505510103.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12111011020202 its reverse (20202011011121), we get a palindrome (32313022031323).

The spelling of 12111011020202 in words is "twelve trillion, one hundred eleven billion, eleven million, twenty thousand, two hundred two".