10111001001102 has 48 divisors (see below), whose sum is σ = 21965031204480. Its totient is φ = 3361442789376.

The previous prime is 10111001001061. The next prime is 10111001001121. The reversal of 10111001001102 is 20110010011101.

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

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 in 23 ways as a sum of consecutive naturals, for example, 10565758 + ... + 11482910.

It is an arithmetic number, because the mean of its divisors is an integer number (457604816760).

Almost surely, 2^{10111001001102} is an apocalyptic number.

10111001001102 is an abundant number, since it is smaller than the sum of its proper divisors (11854030203378).

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

10111001001102 is a wasteful number, since it uses less digits than its factorization.

10111001001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918777 (or 918774 counting only the distinct ones).

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

Adding to 10111001001102 its reverse (20110010011101), we get a palindrome (30221011012203).

Subtracting 10111001001102 from its reverse (20110010011101), we obtain a palindrome (9999009009999).

The spelling of 10111001001102 in words is "ten trillion, one hundred eleven billion, one million, one thousand, one hundred two".