11212121120102 has 32 divisors (see below), whose sum is σ = 19322444250624. Its totient is φ = 4779783820800.

The previous prime is 11212121120063. The next prime is 11212121120113. The reversal of 11212121120102 is 20102112121211.

It is a congruent number.

It is an unprimeable number.

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, 25480577 + ... + 25916867.

It is an arithmetic number, because the mean of its divisors is an integer number (603826382832).

Almost surely, 2^{11212121120102} is an apocalyptic number.

11212121120102 is a deficient number, since it is larger than the sum of its proper divisors (8110323130522).

11212121120102 is a wasteful number, since it uses less digits than its factorization.

11212121120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446004.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11212121120102 its reverse (20102112121211), we get a palindrome (31314233241313).

The spelling of 11212121120102 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-one million, one hundred twenty thousand, one hundred two".