2021010201 has 48 divisors (see below), whose sum is σ = 3543815808. Its totient is φ = 1083456000.

The previous prime is 2021010169. The next prime is 2021010209. The reversal of 2021010201 is 1020101202.

It is not a de Polignac number, because 2021010201 - 2⁵ = 2021010169 is a prime.

It is a super-3 number, since 3×2021010201³ (a number of 29 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2021010209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 351651 + ... + 357351.

It is an arithmetic number, because the mean of its divisors is an integer number (73829496).

Almost surely, 2^2021010201 is an apocalyptic number.

2021010201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2021010201 is a deficient number, since it is larger than the sum of its proper divisors (1522805607).

2021010201 is a wasteful number, since it uses less digits than its factorization.

2021010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6062 (or 6059 counting only the distinct ones).

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

The square root of 2021010201 is about 44955.6470423906. The cubic root of 2021010201 is about 1264.3175561507.

Adding to 2021010201 its reverse (1020101202), we get a palindrome (3041111403).

The spelling of 2021010201 in words is "two billion, twenty-one million, ten thousand, two hundred one".