1121200111102 has 8 divisors (see below), whose sum is σ = 1681839109512. Its totient is φ = 560587074600.

The previous prime is 1121200111069. The next prime is 1121200111103. The reversal of 1121200111102 is 2011110021211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121200111103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6382149 + ... + 6555472.

It is an arithmetic number, because the mean of its divisors is an integer number (210229888689).

Almost surely, 2^{1121200111102} is an apocalyptic number.

1121200111102 is a deficient number, since it is larger than the sum of its proper divisors (560638998410).

1121200111102 is a wasteful number, since it uses less digits than its factorization.

1121200111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12980954.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1121200111102 its reverse (2011110021211), we get a palindrome (3132310132313).

The spelling of 1121200111102 in words is "one trillion, one hundred twenty-one billion, two hundred million, one hundred eleven thousand, one hundred two".