1811100100002 has 16 divisors (see below), whose sum is σ = 3624412925952. Its totient is φ = 603331245680.

The previous prime is 1811100099973. The next prime is 1811100100021. The reversal of 1811100100002 is 2000010011181.

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 7 ways as a sum of consecutive naturals, for example, 92186274 + ... + 92205917.

It is an arithmetic number, because the mean of its divisors is an integer number (226525807872).

Almost surely, 2^{1811100100002} is an apocalyptic number.

1811100100002 is an abundant number, since it is smaller than the sum of its proper divisors (1813312825950).

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

1811100100002 is a wasteful number, since it uses less digits than its factorization.

1811100100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184393833.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1811100100002 its reverse (2000010011181), we get a palindrome (3811110111183).

The spelling of 1811100100002 in words is "one trillion, eight hundred eleven billion, one hundred million, one hundred thousand, two".