2010001100021 has 16 divisors (see below), whose sum is σ = 2076378312960. Its totient is φ = 1944738594240.

The previous prime is 2010001099973. The next prime is 2010001100033. The reversal of 2010001100021 is 1200011000102.

It is a cyclic number.

It is not a de Polignac number, because 2010001100021 - 2³⁴ = 1992821230837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010001099981 and 2010001100008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010001100621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3145166 + ... + 3729888.

It is an arithmetic number, because the mean of its divisors is an integer number (129773644560).

Almost surely, 2^{2010001100021} is an apocalyptic number.

It is an amenable number.

2010001100021 is a deficient number, since it is larger than the sum of its proper divisors (66377212939).

2010001100021 is an equidigital number, since it uses as much as digits as its factorization.

2010001100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585676.

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

Adding to 2010001100021 its reverse (1200011000102), we get a palindrome (3210012100123).

The spelling of 2010001100021 in words is "two trillion, ten billion, one million, one hundred thousand, twenty-one".