1111001001102 has 20 divisors (see below), whose sum is σ = 2489465206536. Its totient is φ = 370333666980.

The previous prime is 1111001001013. The next prime is 1111001001107. The reversal of 1111001001102 is 2011001001111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111001001107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3429015274 + ... + 3429015597.

Almost surely, 2^{1111001001102} is an apocalyptic number.

1111001001102 is an abundant number, since it is smaller than the sum of its proper divisors (1378464205434).

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

1111001001102 is an equidigital number, since it uses as much as digits as its factorization.

1111001001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6858030885 (or 6858030876 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1111001001102 its reverse (2011001001111), we get a palindrome (3122002002213).

Subtracting 1111001001102 from its reverse (2011001001111), we obtain a palindrome (900000000009).

The spelling of 1111001001102 in words is "one trillion, one hundred eleven billion, one million, one thousand, one hundred two".