11212120212202 has 32 divisors (see below), whose sum is σ = 20792120896512. Its totient is φ = 4415673602304.

The previous prime is 11212120212151. The next prime is 11212120212211. The reversal of 11212120212202 is 20221202121211.

It is a self number, because there is not a number n which added to its sum of digits gives 11212120212202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138087343 + ... + 138168514.

It is an arithmetic number, because the mean of its divisors is an integer number (649753778016).

Almost surely, 2^{11212120212202} is an apocalyptic number.

11212120212202 is a deficient number, since it is larger than the sum of its proper divisors (9580000684310).

11212120212202 is a wasteful number, since it uses less digits than its factorization.

11212120212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276256102.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11212120212202 its reverse (20221202121211), we get a palindrome (31433322333413).

The spelling of 11212120212202 in words is "eleven trillion, two hundred twelve billion, one hundred twenty million, two hundred twelve thousand, two hundred two".