11121211200102 has 16 divisors (see below), whose sum is σ = 22242455614272. Its totient is φ = 3707064864360.

The previous prime is 11121211200041. The next prime is 11121211200137. The reversal of 11121211200102 is 20100211212111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5997033 + ... + 7629339.

It is an arithmetic number, because the mean of its divisors is an integer number (1390153475892).

Almost surely, 2^{11121211200102} is an apocalyptic number.

11121211200102 is an abundant number, since it is smaller than the sum of its proper divisors (11121244414170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121211200102 is a wasteful number, since it uses less digits than its factorization.

11121211200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767843.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11121211200102 its reverse (20100211212111), we get a palindrome (31221422412213).

The spelling of 11121211200102 in words is "eleven trillion, one hundred twenty-one billion, two hundred eleven million, two hundred thousand, one hundred two".