12111202221002 has 16 divisors (see below), whose sum is σ = 18706320452232. Its totient is φ = 5877292615680.

The previous prime is 12111202220983. The next prime is 12111202221029. The reversal of 12111202221002 is 20012220211121.

It can be written as a sum of positive squares in 4 ways, for example, as 6263902722841 + 5847299498161 = 2502779^2 + 2418119^2 .

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, 382620413 + ... + 382652064.

Almost surely, 2^{12111202221002} is an apocalyptic number.

12111202221002 is a deficient number, since it is larger than the sum of its proper divisors (6595118231230).

12111202221002 is a wasteful number, since it uses less digits than its factorization.

12111202221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765272713.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12111202221002 its reverse (20012220211121), we get a palindrome (32123422432123).

The spelling of 12111202221002 in words is "twelve trillion, one hundred eleven billion, two hundred two million, two hundred twenty-one thousand, two".