11312121122202 has 32 divisors (see below), whose sum is σ = 23013279172800. Its totient is φ = 3705898526208.

The previous prime is 11312121122189. The next prime is 11312121122207. The reversal of 11312121122202 is 20222112121311.

It is not an unprimeable number, because it can be changed into a prime (11312121122207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2407933 + ... + 5331264.

It is an arithmetic number, because the mean of its divisors is an integer number (719164974150).

Almost surely, 2^{11312121122202} is an apocalyptic number.

11312121122202 is an abundant number, since it is smaller than the sum of its proper divisors (11701158050598).

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

11312121122202 is a wasteful number, since it uses less digits than its factorization.

11312121122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7743390.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 11312121122202 its reverse (20222112121311), we get a palindrome (31534233243513).

The spelling of 11312121122202 in words is "eleven trillion, three hundred twelve billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred two".