2010100021001 has 4 divisors (see below), whose sum is σ = 2097495674112. Its totient is φ = 1922704367892.

The previous prime is 2010100020997. The next prime is 2010100021003. The reversal of 2010100021001 is 1001200010102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2010100021001 - 2² = 2010100020997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2010100021001.

It is not an unprimeable number, because it can be changed into a prime (2010100021003) 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 3 ways as a sum of consecutive naturals, for example, 43697826521 + ... + 43697826566.

It is an arithmetic number, because the mean of its divisors is an integer number (524373918528).

Almost surely, 2^{2010100021001} is an apocalyptic number.

It is an amenable number.

2010100021001 is a deficient number, since it is larger than the sum of its proper divisors (87395653111).

2010100021001 is an equidigital number, since it uses as much as digits as its factorization.

2010100021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87395653110.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 2010100021001 its reverse (1001200010102), we get a palindrome (3011300031103).

The spelling of 2010100021001 in words is "two trillion, ten billion, one hundred million, twenty-one thousand, one".