11121101211202 has 4 divisors (see below), whose sum is σ = 16681651816806. Its totient is φ = 5560550605600.

The previous prime is 11121101211137. The next prime is 11121101211203. The reversal of 11121101211202 is 20211210112111.

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

It can be written as a sum of positive squares in only one way, i.e., 11120030678241 + 1070532961 = 3334671^2 + 32719^2 .

It is not an unprimeable number, because it can be changed into a prime (11121101211203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780275302799 + ... + 2780275302802.

Almost surely, 2^{11121101211202} is an apocalyptic number.

11121101211202 is a deficient number, since it is larger than the sum of its proper divisors (5560550605604).

11121101211202 is an equidigital number, since it uses as much as digits as its factorization.

11121101211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560550605603.

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

Adding to 11121101211202 its reverse (20211210112111), we get a palindrome (31332311323313).

The spelling of 11121101211202 in words is "eleven trillion, one hundred twenty-one billion, one hundred one million, two hundred eleven thousand, two hundred two".