11121201112102 has 4 divisors (see below), whose sum is σ = 16681801668156. Its totient is φ = 5560600556050.

The previous prime is 11121201112081. The next prime is 11121201112169. The reversal of 11121201112102 is 20121110212111.

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

It is a super-2 number, since 2×11121201112102² (a number of 27 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 2780300278024 + ... + 2780300278027.

It is an arithmetic number, because the mean of its divisors is an integer number (4170450417039).

Almost surely, 2^{11121201112102} is an apocalyptic number.

11121201112102 is a deficient number, since it is larger than the sum of its proper divisors (5560600556054).

11121201112102 is an equidigital number, since it uses as much as digits as its factorization.

11121201112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560600556053.

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

Adding to 11121201112102 its reverse (20121110212111), we get a palindrome (31242311324213).

It can be divided in two parts, 1112120 and 1112102, that added together give a palindrome (2224222).

The spelling of 11121201112102 in words is "eleven trillion, one hundred twenty-one billion, two hundred one million, one hundred twelve thousand, one hundred two".