2021202011001 has 64 divisors (see below), whose sum is σ = 2888961546240. Its totient is φ = 1255654713600.

The previous prime is 2021202010981. The next prime is 2021202011011. The reversal of 2021202011001 is 1001102021202.

It is not a de Polignac number, because 2021202011001 - 2⁶ = 2021202010937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021202011011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1045628631 + ... + 1045630563.

It is an arithmetic number, because the mean of its divisors is an integer number (45140024160).

Almost surely, 2^{2021202011001} is an apocalyptic number.

It is an amenable number.

2021202011001 is a deficient number, since it is larger than the sum of its proper divisors (867759535239).

2021202011001 is an equidigital number, since it uses as much as digits as its factorization.

2021202011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515 (or 2457 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2021202011001 its reverse (1001102021202), we get a palindrome (3022304032203).

It can be divided in two parts, 202120201 and 1001, that added together give a palindrome (202121202).

The spelling of 2021202011001 in words is "two trillion, twenty-one billion, two hundred two million, eleven thousand, one".