1013213111100 has 72 divisors (see below), whose sum is σ = 2933366502528. Its totient is φ = 270023966400.

The previous prime is 1013213111077. The next prime is 1013213111137. The reversal of 1013213111100 is 11113123101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1013213111100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 549816 + ... + 1526015.

It is an arithmetic number, because the mean of its divisors is an integer number (40741201424).

Almost surely, 2^{1013213111100} is an apocalyptic number.

1013213111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013213111100 is an abundant number, since it is smaller than the sum of its proper divisors (1920153391428).

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

1013213111100 is a wasteful number, since it uses less digits than its factorization.

1013213111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077475 (or 2077468 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1013213111100 its reverse (11113123101), we get a palindrome (1024326234201).

The spelling of 1013213111100 in words is "one trillion, thirteen billion, two hundred thirteen million, one hundred eleven thousand, one hundred".