1113211100001 has 48 divisors (see below), whose sum is σ = 2003831377920. Its totient is φ = 533807501760.

The previous prime is 1113211099999. The next prime is 1113211100009. The reversal of 1113211100001 is 1000011123111.

It is not a de Polignac number, because 1113211100001 - 2¹ = 1113211099999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1113211100001.

It is not an unprimeable number, because it can be changed into a prime (1113211100009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14218641 + ... + 14296718.

It is an arithmetic number, because the mean of its divisors is an integer number (41746487040).

Almost surely, 2^{1113211100001} is an apocalyptic number.

1113211100001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1113211100001 is a deficient number, since it is larger than the sum of its proper divisors (890620277919).

1113211100001 is a wasteful number, since it uses less digits than its factorization.

1113211100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28515406 (or 28515393 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 1113211100001 its reverse (1000011123111), we get a palindrome (2113222223112).

The spelling of 1113211100001 in words is "one trillion, one hundred thirteen billion, two hundred eleven million, one hundred thousand, one".