11212211102 has 4 divisors (see below), whose sum is σ = 16818316656. Its totient is φ = 5606105550.

The previous prime is 11212211089. The next prime is 11212211113. The reversal of 11212211102 is 20111221211.

11212211102 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803052774 + ... + 2803052777.

It is an arithmetic number, because the mean of its divisors is an integer number (4204579164).

Almost surely, 2^11212211102 is an apocalyptic number.

11212211102 is a deficient number, since it is larger than the sum of its proper divisors (5606105554).

11212211102 is an equidigital number, since it uses as much as digits as its factorization.

11212211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606105553.

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

Adding to 11212211102 its reverse (20111221211), we get a palindrome (31323432313).

The spelling of 11212211102 in words is "eleven billion, two hundred twelve million, two hundred eleven thousand, one hundred two".