1113321112102 has 4 divisors (see below), whose sum is σ = 1669981668156. Its totient is φ = 556660556050.

The previous prime is 1113321112087. The next prime is 1113321112103. The reversal of 1113321112102 is 2012111233111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1113321112102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113321112103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278330278024 + ... + 278330278027.

It is an arithmetic number, because the mean of its divisors is an integer number (417495417039).

Almost surely, 2^{1113321112102} is an apocalyptic number.

1113321112102 is a deficient number, since it is larger than the sum of its proper divisors (556660556054).

1113321112102 is an equidigital number, since it uses as much as digits as its factorization.

1113321112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556660556053.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1113321112102 its reverse (2012111233111), we get a palindrome (3125432345213).

The spelling of 1113321112102 in words is "one trillion, one hundred thirteen billion, three hundred twenty-one million, one hundred twelve thousand, one hundred two".