2010118191821 has 8 divisors (see below), whose sum is σ = 2015860426560. Its totient is φ = 2004376752352.

The previous prime is 2010118191797. The next prime is 2010118191841. The reversal of 2010118191821 is 1281918110102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2010118191821 - 2²² = 2010113997517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010118191841) 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 7 ways as a sum of consecutive naturals, for example, 5061926 + ... + 5444568.

It is an arithmetic number, because the mean of its divisors is an integer number (251982553320).

Almost surely, 2^{2010118191821} is an apocalyptic number.

It is an amenable number.

2010118191821 is a deficient number, since it is larger than the sum of its proper divisors (5742234739).

2010118191821 is a wasteful number, since it uses less digits than its factorization.

2010118191821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397635.

The product of its (nonzero) digits is 2304, while the sum is 35.

The spelling of 2010118191821 in words is "two trillion, ten billion, one hundred eighteen million, one hundred ninety-one thousand, eight hundred twenty-one".