11121211202 has 16 divisors (see below), whose sum is σ = 16975626624. Its totient is φ = 5463510000.

The previous prime is 11121211201. The next prime is 11121211259. The reversal of 11121211202 is 20211212111.

It is not an unprimeable number, because it can be changed into a prime (11121211201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183674 + ... + 236597.

It is an arithmetic number, because the mean of its divisors is an integer number (1060976664).

Almost surely, 2^11121211202 is an apocalyptic number.

11121211202 is a deficient number, since it is larger than the sum of its proper divisors (5854415422).

11121211202 is a wasteful number, since it uses less digits than its factorization.

11121211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420505.

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

Adding to 11121211202 its reverse (20211212111), we get a palindrome (31332423313).

Subtracting 11121211202 from its reverse (20211212111), we obtain a palindrome (9090000909).

The spelling of 11121211202 in words is "eleven billion, one hundred twenty-one million, two hundred eleven thousand, two hundred two".