2021000201001 has 12 divisors (see below), whose sum is σ = 3013390981120. Its totient is φ = 1303871097240.

The previous prime is 2021000200997. The next prime is 2021000201083. The reversal of 2021000201001 is 1001020001202.

It is not a de Polignac number, because 2021000201001 - 2² = 2021000200997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021000209001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3621863881 + ... + 3621864438.

Almost surely, 2^{2021000201001} is an apocalyptic number.

It is an amenable number.

2021000201001 is a deficient number, since it is larger than the sum of its proper divisors (992390780119).

2021000201001 is a wasteful number, since it uses less digits than its factorization.

2021000201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7243728356 (or 7243728353 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2021000201001 its reverse (1001020001202), we get a palindrome (3022020202203).

The spelling of 2021000201001 in words is "two trillion, twenty-one billion, two hundred one thousand, one".