2010021001001 has 8 divisors (see below), whose sum is σ = 2164665292104. Its totient is φ = 1855380608640.

The previous prime is 2010021000947. The next prime is 2010021001031. The reversal of 2010021001001 is 1001001200102.

It can be written as a sum of positive squares in 4 ways, for example, as 37403560000 + 1972617441001 = 193400^2 + 1404499^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-2010021001001 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 2010021001001.

It is not an unprimeable number, because it can be changed into a prime (2010021001031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143621 + ... + 2010141.

It is an arithmetic number, because the mean of its divisors is an integer number (270583161513).

Almost surely, 2^{2010021001001} is an apocalyptic number.

It is an amenable number.

2010021001001 is a deficient number, since it is larger than the sum of its proper divisors (154644291103).

2010021001001 is a wasteful number, since it uses less digits than its factorization.

2010021001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949371.

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

Adding to 2010021001001 its reverse (1001001200102), we get a palindrome (3011022201103).

The spelling of 2010021001001 in words is "two trillion, ten billion, twenty-one million, one thousand, one".